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From dk...@apache.org
Subject [08/10] activemq git commit: https://issues.apache.org/jira/browse/AMQ-5745
Date Tue, 04 Aug 2015 15:59:27 GMT
https://issues.apache.org/jira/browse/AMQ-5745

This commit is based off a patch submitted by admin@int3solutions.com.
It fixes several locations in the code where there are potential resource leaks.


Project: http://git-wip-us.apache.org/repos/asf/activemq/repo
Commit: http://git-wip-us.apache.org/repos/asf/activemq/commit/42d9fd11
Tree: http://git-wip-us.apache.org/repos/asf/activemq/tree/42d9fd11
Diff: http://git-wip-us.apache.org/repos/asf/activemq/diff/42d9fd11

Branch: refs/heads/activemq-5.11.x
Commit: 42d9fd118daea5cc10f7eb56c263063adb322f25
Parents: 2c166b7
Author: Christopher L. Shannon (cshannon) <christopher.l.shannon@gmail.com>
Authored: Mon Jun 22 18:34:37 2015 +0000
Committer: Daniel Kulp <dkulp@apache.org>
Committed: Tue Aug 4 09:31:26 2015 -0400

----------------------------------------------------------------------
 .../apache/activemq/broker/BrokerService.java   |  14 ++-
 .../broker/PropertiesBrokerFactory.java         |  43 ++++----
 .../java/org/apache/activemq/util/IOHelper.java |  17 +--
 .../org/apache/activemq/ActiveMQSession.java    |   8 +-
 .../activemq/ActiveMQSslConnectionFactory.java  |  38 ++++---
 .../org/apache/activemq/blob/BlobUploader.java  |   4 +-
 .../blob/DefaultBlobUploadStrategy.java         |  18 +--
 .../activemq/blob/FTPBlobUploadStrategy.java    |   4 +-
 .../activemq/blob/FileSystemBlobStrategy.java   |  43 ++++----
 .../activemq/console/command/CreateCommand.java |  23 ++--
 .../java/org/apache/activemq/util/IOHelper.java |  43 ++++----
 .../jaas/TextFileCertificateLoginModule.java    |  10 +-
 .../store/jdbc/adapter/BlobJDBCAdapter.java     |  27 ++---
 .../store/jdbc/adapter/StreamJDBCAdapter.java   |  15 +--
 .../store/kahadb/disk/page/PageFile.java        |   8 +-
 .../store/kahadb/disk/util/DiskBenchmark.java   | 109 ++++++++++---------
 .../transport/stomp/ProtocolConverter.java      |  14 ++-
 .../activemq/tool/AbstractJmsClientSystem.java  |   6 +-
 .../apache/activemq/tool/JmsProducerClient.java |  11 +-
 .../tool/reports/XmlFilePerfReportWriter.java   |  31 +++---
 .../org/apache/activemq/web/AjaxServlet.java    |  26 ++---
 21 files changed, 272 insertions(+), 240 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java
----------------------------------------------------------------------
diff --git a/activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java b/activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java
index b250d32..95d57f6 100644
--- a/activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java
+++ b/activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java
@@ -272,14 +272,16 @@ public class BrokerService implements Service {
         }
         LOCAL_HOST_NAME = localHostName;
 
-        InputStream in = null;
         String version = null;
-        if ((in = BrokerService.class.getResourceAsStream("/org/apache/activemq/version.txt")) != null) {
-            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
-            try {
-                version = reader.readLine();
-            } catch(Exception e) {
+        try(InputStream in = BrokerService.class.getResourceAsStream("/org/apache/activemq/version.txt")) {
+            if (in != null) {
+                try(InputStreamReader isr = new InputStreamReader(in);
+                    BufferedReader reader = new BufferedReader(isr)) {
+                    version = reader.readLine();
+                }
             }
+        } catch (IOException ie) {
+            LOG.warn("Error reading broker version ", ie);
         }
         BROKER_VERSION = version;
     }

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-broker/src/main/java/org/apache/activemq/broker/PropertiesBrokerFactory.java
----------------------------------------------------------------------
diff --git a/activemq-broker/src/main/java/org/apache/activemq/broker/PropertiesBrokerFactory.java b/activemq-broker/src/main/java/org/apache/activemq/broker/PropertiesBrokerFactory.java
index 698c326..2be9e34 100644
--- a/activemq-broker/src/main/java/org/apache/activemq/broker/PropertiesBrokerFactory.java
+++ b/activemq-broker/src/main/java/org/apache/activemq/broker/PropertiesBrokerFactory.java
@@ -31,14 +31,14 @@ import org.apache.activemq.util.IntrospectionSupport;
 /**
  * A {@link BrokerFactoryHandler} which uses a properties file to configure the
  * broker's various policies.
- * 
- * 
+ *
+ *
  */
 public class PropertiesBrokerFactory implements BrokerFactoryHandler {
 
     public BrokerService createBroker(URI brokerURI) throws Exception {
 
-        Map properties = loadProperties(brokerURI);
+        Map<Object, Object> properties = loadProperties(brokerURI);
         BrokerService brokerService = createBrokerService(brokerURI, properties);
 
         IntrospectionSupport.setProperties(brokerService, properties);
@@ -48,14 +48,31 @@ public class PropertiesBrokerFactory implements BrokerFactoryHandler {
     /**
      * Lets load the properties from some external URL or a relative file
      */
-    protected Map loadProperties(URI brokerURI) throws IOException {
+    protected Map<Object, Object> loadProperties(URI brokerURI) throws IOException {
         // lets load a URI
         String remaining = brokerURI.getSchemeSpecificPart();
         Properties properties = new Properties();
         File file = new File(remaining);
 
+        try (InputStream inputStream = loadStream(file, remaining)) {
+            if (inputStream != null) {
+                properties.load(inputStream);
+            }
+        }
+
+        // should we append any system properties?
+        try {
+            Properties systemProperties = System.getProperties();
+            properties.putAll(systemProperties);
+        } catch (Exception e) {
+            // ignore security exception
+        }
+        return properties;
+    }
+
+    protected InputStream loadStream(File file, String remaining) throws IOException {
         InputStream inputStream = null;
-        if (file.exists()) {
+        if (file != null && file.exists()) {
             inputStream = new FileInputStream(file);
         } else {
             URL url = null;
@@ -72,19 +89,7 @@ public class PropertiesBrokerFactory implements BrokerFactoryHandler {
                 inputStream = url.openStream();
             }
         }
-        if (inputStream != null) {
-            properties.load(inputStream);
-            inputStream.close();
-        }
-
-        // should we append any system properties?
-        try {
-            Properties systemProperties = System.getProperties();
-            properties.putAll(systemProperties);
-        } catch (Exception e) {
-            // ignore security exception
-        }
-        return properties;
+        return inputStream;
     }
 
     protected InputStream findResourceOnClassPath(String remaining) {
@@ -95,7 +100,7 @@ public class PropertiesBrokerFactory implements BrokerFactoryHandler {
         return answer;
     }
 
-    protected BrokerService createBrokerService(URI brokerURI, Map properties) {
+    protected BrokerService createBrokerService(URI brokerURI, Map<Object, Object> properties) {
         return new BrokerService();
     }
 }

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-broker/src/main/java/org/apache/activemq/util/IOHelper.java
----------------------------------------------------------------------
diff --git a/activemq-broker/src/main/java/org/apache/activemq/util/IOHelper.java b/activemq-broker/src/main/java/org/apache/activemq/util/IOHelper.java
index 2a70194..9f06029 100644
--- a/activemq-broker/src/main/java/org/apache/activemq/util/IOHelper.java
+++ b/activemq-broker/src/main/java/org/apache/activemq/util/IOHelper.java
@@ -281,14 +281,17 @@ public final class IOHelper {
     }
 
     public static void copyInputStream(InputStream in, OutputStream out) throws IOException {
-        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
-        int len = in.read(buffer);
-        while (len >= 0) {
-            out.write(buffer, 0, len);
-            len = in.read(buffer);
+        try {
+            byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
+            int len = in.read(buffer);
+            while (len >= 0) {
+                out.write(buffer, 0, len);
+                len = in.read(buffer);
+            }
+        } finally {
+            in.close();
+            out.close();
         }
-        in.close();
-        out.close();
     }
 
     static {

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
----------------------------------------------------------------------
diff --git a/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java b/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
index 14c2869..457ce3e 100755
--- a/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
+++ b/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
@@ -504,7 +504,13 @@ public class ActiveMQSession implements Session, QueueSession, TopicSession, Sta
      * <CODE>BlobMessage</CODE> object is used to send a message containing
      * the <CODE>File</CODE> content. Before the message is sent the file
      * conent will be uploaded to the broker or some other remote repository
-     * depending on the {@link #getBlobTransferPolicy()}.
+     * depending on the {@link #getBlobTransferPolicy()}. <br/>
+     * <p>
+     * The caller of this method is responsible for closing the
+     * input stream that is used, however the stream can not be closed
+     * until <b>after</b> the message has been sent.  To have this class
+     * manage the stream and close it automatically, use the method
+     * {@link ActiveMQSession#createBlobMessage(File)}
      *
      * @param in the stream to be uploaded to some remote repo (or the broker)
      *                depending on the strategy

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-client/src/main/java/org/apache/activemq/ActiveMQSslConnectionFactory.java
----------------------------------------------------------------------
diff --git a/activemq-client/src/main/java/org/apache/activemq/ActiveMQSslConnectionFactory.java b/activemq-client/src/main/java/org/apache/activemq/ActiveMQSslConnectionFactory.java
index b6b75da..8bee791 100644
--- a/activemq-client/src/main/java/org/apache/activemq/ActiveMQSslConnectionFactory.java
+++ b/activemq-client/src/main/java/org/apache/activemq/ActiveMQSslConnectionFactory.java
@@ -130,13 +130,14 @@ public class ActiveMQSslConnectionFactory extends ActiveMQConnectionFactory {
         KeyStore trustedCertStore = KeyStore.getInstance(getTrustStoreType());
 
         if (trustStore != null) {
-            InputStream tsStream = getInputStream(trustStore);
+            try(InputStream tsStream = getInputStream(trustStore)) {
 
-            trustedCertStore.load(tsStream, trustStorePassword.toCharArray());
-            TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+                trustedCertStore.load(tsStream, trustStorePassword.toCharArray());
+                TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
 
-            tmf.init(trustedCertStore);
-            trustStoreManagers = tmf.getTrustManagers();
+                tmf.init(trustedCertStore);
+                trustStoreManagers = tmf.getTrustManagers();
+            }
         }
         return trustStoreManagers;
     }
@@ -149,10 +150,11 @@ public class ActiveMQSslConnectionFactory extends ActiveMQConnectionFactory {
             byte[] sslCert = loadClientCredential(keyStore);
 
             if (sslCert != null && sslCert.length > 0) {
-                ByteArrayInputStream bin = new ByteArrayInputStream(sslCert);
-                ks.load(bin, keyStorePassword.toCharArray());
-                kmf.init(ks, keyStoreKeyPassword !=null ? keyStoreKeyPassword.toCharArray() : keyStorePassword.toCharArray());
-                keystoreManagers = kmf.getKeyManagers();
+                try(ByteArrayInputStream bin = new ByteArrayInputStream(sslCert)) {
+                    ks.load(bin, keyStorePassword.toCharArray());
+                    kmf.init(ks, keyStoreKeyPassword !=null ? keyStoreKeyPassword.toCharArray() : keyStorePassword.toCharArray());
+                    keystoreManagers = kmf.getKeyManagers();
+                }
             }
         }
         return keystoreManagers;
@@ -162,16 +164,16 @@ public class ActiveMQSslConnectionFactory extends ActiveMQConnectionFactory {
         if (fileName == null) {
             return null;
         }
-        InputStream in = getInputStream(fileName);
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        byte[] buf = new byte[512];
-        int i = in.read(buf);
-        while (i > 0) {
-            out.write(buf, 0, i);
-            i = in.read(buf);
+        try(InputStream in = getInputStream(fileName);
+            ByteArrayOutputStream out = new ByteArrayOutputStream()) {
+            byte[] buf = new byte[512];
+            int i = in.read(buf);
+            while (i > 0) {
+                out.write(buf, 0, i);
+                i = in.read(buf);
+            }
+            return out.toByteArray();
         }
-        in.close();
-        return out.toByteArray();
     }
 
     protected InputStream getInputStream(String urlOrResource) throws IOException {

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-client/src/main/java/org/apache/activemq/blob/BlobUploader.java
----------------------------------------------------------------------
diff --git a/activemq-client/src/main/java/org/apache/activemq/blob/BlobUploader.java b/activemq-client/src/main/java/org/apache/activemq/blob/BlobUploader.java
index 244948a..05933d3 100644
--- a/activemq-client/src/main/java/org/apache/activemq/blob/BlobUploader.java
+++ b/activemq-client/src/main/java/org/apache/activemq/blob/BlobUploader.java
@@ -27,8 +27,8 @@ import org.apache.activemq.command.ActiveMQBlobMessage;
 
 /**
  * A helper class to represent a required upload of a BLOB to some remote URL
- * 
- * 
+ *
+ *
  */
 public class BlobUploader {
 

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-client/src/main/java/org/apache/activemq/blob/DefaultBlobUploadStrategy.java
----------------------------------------------------------------------
diff --git a/activemq-client/src/main/java/org/apache/activemq/blob/DefaultBlobUploadStrategy.java b/activemq-client/src/main/java/org/apache/activemq/blob/DefaultBlobUploadStrategy.java
index 12c98a3..655c942 100644
--- a/activemq-client/src/main/java/org/apache/activemq/blob/DefaultBlobUploadStrategy.java
+++ b/activemq-client/src/main/java/org/apache/activemq/blob/DefaultBlobUploadStrategy.java
@@ -40,7 +40,9 @@ public class DefaultBlobUploadStrategy extends DefaultStrategy implements BlobUp
     }
 
     public URL uploadFile(ActiveMQBlobMessage message, File file) throws JMSException, IOException {
-        return uploadStream(message, new FileInputStream(file));
+        try(FileInputStream fis = new FileInputStream(file)) {
+            return uploadStream(message, fis);
+        }
     }
 
     public URL uploadStream(ActiveMQBlobMessage message, InputStream fis) throws JMSException, IOException {
@@ -55,15 +57,13 @@ public class DefaultBlobUploadStrategy extends DefaultStrategy implements BlobUp
         // (chunked mode not supported before JRE 1.5)
         connection.setChunkedStreamingMode(transferPolicy.getBufferSize());
 
-        OutputStream os = connection.getOutputStream();
-
-        byte[] buf = new byte[transferPolicy.getBufferSize()];
-        for (int c = fis.read(buf); c != -1; c = fis.read(buf)) {
-            os.write(buf, 0, c);
-            os.flush();
+        try(OutputStream os = connection.getOutputStream()) {
+            byte[] buf = new byte[transferPolicy.getBufferSize()];
+            for (int c = fis.read(buf); c != -1; c = fis.read(buf)) {
+                os.write(buf, 0, c);
+                os.flush();
+            }
         }
-        os.close();
-        fis.close();
 
         if (!isSuccessfulCode(connection.getResponseCode())) {
             throw new IOException("PUT was not successful: " + connection.getResponseCode() + " "

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-client/src/main/java/org/apache/activemq/blob/FTPBlobUploadStrategy.java
----------------------------------------------------------------------
diff --git a/activemq-client/src/main/java/org/apache/activemq/blob/FTPBlobUploadStrategy.java b/activemq-client/src/main/java/org/apache/activemq/blob/FTPBlobUploadStrategy.java
index 6cb0e8a..4a00746 100644
--- a/activemq-client/src/main/java/org/apache/activemq/blob/FTPBlobUploadStrategy.java
+++ b/activemq-client/src/main/java/org/apache/activemq/blob/FTPBlobUploadStrategy.java
@@ -39,7 +39,9 @@ public class FTPBlobUploadStrategy extends FTPStrategy implements BlobUploadStra
 
     @Override
     public URL uploadFile(ActiveMQBlobMessage message, File file) throws JMSException, IOException {
-        return uploadStream(message, new FileInputStream(file));
+        try(FileInputStream fis = new FileInputStream(file)) {
+            return uploadStream(message, fis);
+        }
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-client/src/main/java/org/apache/activemq/blob/FileSystemBlobStrategy.java
----------------------------------------------------------------------
diff --git a/activemq-client/src/main/java/org/apache/activemq/blob/FileSystemBlobStrategy.java b/activemq-client/src/main/java/org/apache/activemq/blob/FileSystemBlobStrategy.java
index 022aec1..a970d56 100644
--- a/activemq-client/src/main/java/org/apache/activemq/blob/FileSystemBlobStrategy.java
+++ b/activemq-client/src/main/java/org/apache/activemq/blob/FileSystemBlobStrategy.java
@@ -36,19 +36,19 @@ import org.apache.activemq.command.ActiveMQBlobMessage;
  */
 public class FileSystemBlobStrategy implements BlobUploadStrategy, BlobDownloadStrategy{
 
-   
+
     private final BlobTransferPolicy policy;
     private File rootFile;
-    
+
     public FileSystemBlobStrategy(final BlobTransferPolicy policy) throws MalformedURLException, URISyntaxException  {
         this.policy = policy;
-        
+
         createRootFolder();
     }
-    
+
     /**
-     * Create the root folder if not exist 
-     * 
+     * Create the root folder if not exist
+     *
      * @throws MalformedURLException
      * @throws URISyntaxException
      */
@@ -65,7 +65,9 @@ public class FileSystemBlobStrategy implements BlobUploadStrategy, BlobDownloadS
      * @see org.apache.activemq.blob.BlobUploadStrategy#uploadFile(org.apache.activemq.command.ActiveMQBlobMessage, java.io.File)
      */
     public URL uploadFile(ActiveMQBlobMessage message, File file) throws JMSException, IOException {
-        return uploadStream(message, new FileInputStream(file));
+        try(FileInputStream fis = new FileInputStream(file)) {
+            return uploadStream(message, fis);
+        }
     }
 
     /*
@@ -74,14 +76,13 @@ public class FileSystemBlobStrategy implements BlobUploadStrategy, BlobDownloadS
      */
     public URL uploadStream(ActiveMQBlobMessage message, InputStream in) throws JMSException, IOException {
         File f = getFile(message);
-        FileOutputStream out = new FileOutputStream(f);
-        byte[] buffer = new byte[policy.getBufferSize()];
-        for (int c = in.read(buffer); c != -1; c = in.read(buffer)) {
-            out.write(buffer, 0, c);
-            out.flush();
+        try(FileOutputStream out = new FileOutputStream(f)) {
+            byte[] buffer = new byte[policy.getBufferSize()];
+            for (int c = in.read(buffer); c != -1; c = in.read(buffer)) {
+                out.write(buffer, 0, c);
+                out.flush();
+            }
         }
-        out.flush();
-        out.close();
         // File.toURL() is deprecated
         return f.toURI().toURL();
     }
@@ -104,14 +105,14 @@ public class FileSystemBlobStrategy implements BlobUploadStrategy, BlobDownloadS
         return new FileInputStream(getFile(message));
     }
 
-    
+
     /**
-     * Return the {@link File} for the {@link ActiveMQBlobMessage}. 
-     * 
+     * Return the {@link File} for the {@link ActiveMQBlobMessage}.
+     *
      * @param message
      * @return file
      * @throws JMSException
-     * @throws IOException 
+     * @throws IOException
      */
     protected File getFile(ActiveMQBlobMessage message) throws JMSException, IOException {
     	if (message.getURL() != null) {
@@ -123,8 +124,8 @@ public class FileSystemBlobStrategy implements BlobUploadStrategy, BlobDownloadS
 			}
     	}
         //replace all : with _ to make windows more happy
-        String fileName = message.getJMSMessageID().replaceAll(":", "_"); 
-        return new File(rootFile, fileName);        
-        
+        String fileName = message.getJMSMessageID().replaceAll(":", "_");
+        return new File(rootFile, fileName);
+
     }
 }

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-console/src/main/java/org/apache/activemq/console/command/CreateCommand.java
----------------------------------------------------------------------
diff --git a/activemq-console/src/main/java/org/apache/activemq/console/command/CreateCommand.java b/activemq-console/src/main/java/org/apache/activemq/console/command/CreateCommand.java
index ae87837..28080e6 100644
--- a/activemq-console/src/main/java/org/apache/activemq/console/command/CreateCommand.java
+++ b/activemq-console/src/main/java/org/apache/activemq/console/command/CreateCommand.java
@@ -56,7 +56,7 @@ public class CreateCommand extends AbstractCommand {
 
     protected String amqConf = "conf/activemq.xml"; // default conf if no conf is specified via --amqconf
 
-    // default files to create 
+    // default files to create
     protected String[][] fileWriteMap = {
         { "winActivemq", "bin/${brokerName}.bat" },
         { "unixActivemq", "bin/${brokerName}" }
@@ -84,7 +84,7 @@ public class CreateCommand extends AbstractCommand {
 
             targetAmqBase = new File(token);
             brokerName = targetAmqBase.getName();
-            
+
 
             if (targetAmqBase.exists()) {
                 BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
@@ -191,9 +191,10 @@ public class CreateCommand extends AbstractCommand {
         buf.put(data.getBytes());
         buf.flip();
 
-        FileChannel destinationChannel = new FileOutputStream(dest).getChannel();
-        destinationChannel.write(buf);
-        destinationChannel.close();
+        try(FileOutputStream fos = new FileOutputStream(dest);
+            FileChannel destinationChannel = fos.getChannel()) {
+            destinationChannel.write(buf);
+        }
 
         // Set file permissions available for Java 6.0 only
         dest.setExecutable(true);
@@ -215,11 +216,13 @@ public class CreateCommand extends AbstractCommand {
         if (!from.exists()) {
             return;
         }
-        FileChannel sourceChannel = new FileInputStream(from).getChannel();
-        FileChannel destinationChannel = new FileOutputStream(dest).getChannel();
-        sourceChannel.transferTo(0, sourceChannel.size(), destinationChannel);
-        sourceChannel.close();
-        destinationChannel.close();
+
+        try(FileInputStream fis = new FileInputStream(from);
+            FileChannel sourceChannel = fis.getChannel();
+            FileOutputStream fos = new FileOutputStream(dest);
+            FileChannel destinationChannel = fos.getChannel()) {
+            sourceChannel.transferTo(0, sourceChannel.size(), destinationChannel);
+        }
     }
 
     private void copyConfDirectory(File from, File dest) throws IOException {

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-fileserver/src/main/java/org/apache/activemq/util/IOHelper.java
----------------------------------------------------------------------
diff --git a/activemq-fileserver/src/main/java/org/apache/activemq/util/IOHelper.java b/activemq-fileserver/src/main/java/org/apache/activemq/util/IOHelper.java
index 90149f5..d9e8b0d 100644
--- a/activemq-fileserver/src/main/java/org/apache/activemq/util/IOHelper.java
+++ b/activemq-fileserver/src/main/java/org/apache/activemq/util/IOHelper.java
@@ -24,7 +24,7 @@ import java.io.InputStream;
 import java.io.OutputStream;
 
 /**
- * 
+ *
  */
 public final class IOHelper {
     protected static final int MAX_DIR_NAME_LENGTH;
@@ -53,7 +53,7 @@ public final class IOHelper {
             return "";
         }
     }
-    
+
     public static boolean deleteFile(File fileToDelete) {
         if (fileToDelete == null || !fileToDelete.exists()) {
             return true;
@@ -62,7 +62,7 @@ public final class IOHelper {
         result &= fileToDelete.delete();
         return result;
     }
-    
+
     public static boolean deleteChildren(File parent) {
         if (parent == null || !parent.exists()) {
             return false;
@@ -87,46 +87,49 @@ public final class IOHelper {
                 }
             }
         }
-       
+
         return result;
     }
-    
-    
+
+
     public static void moveFile(File src, File targetDirectory) throws IOException {
         if (!src.renameTo(new File(targetDirectory, src.getName()))) {
             throw new IOException("Failed to move " + src + " to " + targetDirectory);
         }
     }
-    
+
     public static void copyFile(File src, File dest) throws IOException {
         FileInputStream fileSrc = new FileInputStream(src);
         FileOutputStream fileDest = new FileOutputStream(dest);
         copyInputStream(fileSrc, fileDest);
     }
-    
+
     public static void copyInputStream(InputStream in, OutputStream out) throws IOException {
-        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
-        int len = in.read(buffer);
-        while (len >= 0) {
-            out.write(buffer, 0, len);
-            len = in.read(buffer);
+        try {
+            byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
+            int len = in.read(buffer);
+            while (len >= 0) {
+                out.write(buffer, 0, len);
+                len = in.read(buffer);
+            }
+        } finally {
+            in.close();
+            out.close();
         }
-        in.close();
-        out.close();
     }
-    
+
     static {
-        MAX_DIR_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumDirNameLength","200")).intValue();  
-        MAX_FILE_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumFileNameLength","64")).intValue();             
+        MAX_DIR_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumDirNameLength","200")).intValue();
+        MAX_FILE_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumFileNameLength","64")).intValue();
     }
 
-    
+
     public static void mkdirs(File dir) throws IOException {
         if (dir.exists()) {
             if (!dir.isDirectory()) {
                 throw new IOException("Failed to create directory '" + dir +"', regular file already existed with that name");
             }
-            
+
         } else {
             if (!dir.mkdirs()) {
                 throw new IOException("Failed to create directory '" + dir+"'");

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-jaas/src/main/java/org/apache/activemq/jaas/TextFileCertificateLoginModule.java
----------------------------------------------------------------------
diff --git a/activemq-jaas/src/main/java/org/apache/activemq/jaas/TextFileCertificateLoginModule.java b/activemq-jaas/src/main/java/org/apache/activemq/jaas/TextFileCertificateLoginModule.java
index be00562..284eaba 100644
--- a/activemq-jaas/src/main/java/org/apache/activemq/jaas/TextFileCertificateLoginModule.java
+++ b/activemq-jaas/src/main/java/org/apache/activemq/jaas/TextFileCertificateLoginModule.java
@@ -40,7 +40,7 @@ import javax.security.auth.login.LoginException;
  * org.apache.activemq.jaas.textfiledn.user properties respectively. NOTE: This
  * class will re-read user and group files for every authentication (i.e it does
  * live updates of allowed groups and users).
- * 
+ *
  * @author sepandm@gmail.com (Sepand)
  */
 public class TextFileCertificateLoginModule extends CertificateLoginModule {
@@ -71,7 +71,7 @@ public class TextFileCertificateLoginModule extends CertificateLoginModule {
     /**
      * Overriding to allow DN authorization based on DNs specified in text
      * files.
-     * 
+     *
      * @param certs The certificate the incoming connection provided.
      * @return The user's authenticated name or null if unable to authenticate
      *         the user.
@@ -88,10 +88,8 @@ public class TextFileCertificateLoginModule extends CertificateLoginModule {
 
         Properties users = new Properties();
 
-        try {
-            java.io.FileInputStream in = new java.io.FileInputStream(usersFile);
+        try(java.io.FileInputStream in = new java.io.FileInputStream(usersFile)) {
             users.load(in);
-            in.close();
         } catch (IOException ioe) {
             throw new LoginException("Unable to load user properties file " + usersFile);
         }
@@ -112,7 +110,7 @@ public class TextFileCertificateLoginModule extends CertificateLoginModule {
 
     /**
      * Overriding to allow for group discovery based on text files.
-     * 
+     *
      * @param username The name of the user being examined. This is the same
      *                name returned by getUserNameForCertificates.
      * @return A Set of name Strings for groups this user belongs to.

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/BlobJDBCAdapter.java
----------------------------------------------------------------------
diff --git a/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/BlobJDBCAdapter.java b/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/BlobJDBCAdapter.java
index e7e77be..6d6721c 100755
--- a/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/BlobJDBCAdapter.java
+++ b/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/BlobJDBCAdapter.java
@@ -35,18 +35,18 @@ import org.apache.activemq.util.ByteArrayOutputStream;
  * This JDBCAdapter inserts and extracts BLOB data using the getBlob()/setBlob()
  * operations. This is a little more involved since to insert a blob you have
  * to:
- * 
+ *
  * 1: insert empty blob. 2: select the blob 3: finally update the blob with data
  * value.
- * 
+ *
  * The databases/JDBC drivers that use this adapter are:
  * <ul>
  * <li></li>
  * </ul>
- * 
+ *
  * @org.apache.xbean.XBean element="blobJDBCAdapter"
- * 
- * 
+ *
+ *
  */
 public class BlobJDBCAdapter extends DefaultJDBCAdapter {
 
@@ -139,18 +139,15 @@ public class BlobJDBCAdapter extends DefaultJDBCAdapter {
                 return null;
             }
             Blob blob = rs.getBlob(1);
-            InputStream is = blob.getBinaryStream();
 
-            ByteArrayOutputStream os = new ByteArrayOutputStream((int)blob.length());
-            int ch;
-            while ((ch = is.read()) >= 0) {
-                os.write(ch);
+            try(InputStream is = blob.getBinaryStream();
+                ByteArrayOutputStream os = new ByteArrayOutputStream((int)blob.length())) {
+                int ch;
+                while ((ch = is.read()) >= 0) {
+                    os.write(ch);
+                }
+                return os.toByteArray();
             }
-            is.close();
-            os.close();
-
-            return os.toByteArray();
-
         } finally {
             cleanupExclusiveLock.readLock().unlock();
             close(rs);

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/StreamJDBCAdapter.java
----------------------------------------------------------------------
diff --git a/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/StreamJDBCAdapter.java b/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/StreamJDBCAdapter.java
index 43b7c25..c83600b 100755
--- a/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/StreamJDBCAdapter.java
+++ b/activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/StreamJDBCAdapter.java
@@ -28,15 +28,15 @@ import org.apache.activemq.util.ByteArrayInputStream;
 /**
  * This JDBCAdapter inserts and extracts BLOB data using the
  * setBinaryStream()/getBinaryStream() operations.
- * 
+ *
  * The databases/JDBC drivers that use this adapter are:
  * <ul>
  * <li>Axion</li>
  * </ul>
- * 
+ *
  * @org.apache.xbean.XBean element="streamJDBCAdapter"
- * 
- * 
+ *
+ *
  */
 public class StreamJDBCAdapter extends DefaultJDBCAdapter {
 
@@ -47,16 +47,13 @@ public class StreamJDBCAdapter extends DefaultJDBCAdapter {
     @Override
     protected byte[] getBinaryData(ResultSet rs, int index) throws SQLException {
 
-        try {
-            InputStream is = rs.getBinaryStream(index);
-            ByteArrayOutputStream os = new ByteArrayOutputStream(1024 * 4);
+        try (InputStream is = rs.getBinaryStream(index);
+             ByteArrayOutputStream os = new ByteArrayOutputStream(1024 * 4)) {
 
             int ch;
             while ((ch = is.read()) >= 0) {
                 os.write(ch);
             }
-            is.close();
-            os.close();
 
             return os.toByteArray();
         } catch (IOException e) {

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/page/PageFile.java
----------------------------------------------------------------------
diff --git a/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/page/PageFile.java b/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/page/PageFile.java
index dbd7dc8..8c5f0fe 100644
--- a/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/page/PageFile.java
+++ b/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/page/PageFile.java
@@ -196,10 +196,10 @@ public class PageFile {
         public byte[] getDiskBound() throws IOException {
             if (diskBound == null && diskBoundLocation != -1) {
                 diskBound = new byte[length];
-                RandomAccessFile file = new RandomAccessFile(tmpFile, "r");
-                file.seek(diskBoundLocation);
-                file.read(diskBound);
-                file.close();
+                try(RandomAccessFile file = new RandomAccessFile(tmpFile, "r")) {
+                    file.seek(diskBoundLocation);
+                    file.read(diskBound);
+                }
                 diskBoundLocation = -1;
             }
             return diskBound;

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/util/DiskBenchmark.java
----------------------------------------------------------------------
diff --git a/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/util/DiskBenchmark.java b/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/util/DiskBenchmark.java
index 641fe79..a3cbb27 100644
--- a/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/util/DiskBenchmark.java
+++ b/activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/disk/util/DiskBenchmark.java
@@ -17,11 +17,12 @@
 package org.apache.activemq.store.kahadb.disk.util;
 
 import java.io.File;
-import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.util.ArrayList;
 import java.util.Arrays;
 
+import org.apache.activemq.util.RecoverableRandomAccessFile;
+
 /**
  * This class is used to get a benchmark the raw disk performance.
  */
@@ -201,84 +202,88 @@ public class DiskBenchmark {
         for (int i = 0; i < data.length; i++) {
             data[i] = (byte) ('a' + (i % 26));
         }
-
         rc.size = data.length;
-        RandomAccessFile raf = new RandomAccessFile(file, "rw");
-        raf.setLength(size);
-
-        // Figure out how many writes we can do in the sample interval.
-        long start = System.currentTimeMillis();
-        long now = System.currentTimeMillis();
-        int ioCount = 0;
-        while (true) {
-            if ((now - start) > sampleInterval) {
-                break;
-            }
-            raf.seek(0);
-            for (long i = 0; i + data.length < size; i += data.length) {
-                raf.write(data);
-                ioCount++;
-                now = System.currentTimeMillis();
+
+        long start;
+        long now;
+        int ioCount;
+
+        try(RecoverableRandomAccessFile raf = new RecoverableRandomAccessFile(file, "rw")) {
+            preallocateDataFile(raf, file.getParentFile());
+            start = System.currentTimeMillis();
+            now = System.currentTimeMillis();
+            ioCount = 0;
+
+            // Figure out how many writes we can do in the sample interval.
+            while (true) {
                 if ((now - start) > sampleInterval) {
                     break;
                 }
+                raf.seek(0);
+                for (long i = 0; i + data.length < size; i += data.length) {
+                    raf.write(data);
+                    ioCount++;
+                    now = System.currentTimeMillis();
+                    if ((now - start) > sampleInterval) {
+                        break;
+                    }
+                }
+                // Sync to disk so that the we actually write the data to disk..
+                // otherwise OS buffering might not really do the write.
+                raf.getChannel().force(!SKIP_METADATA_UPDATE);
             }
-            // Sync to disk so that the we actually write the data to disk..
-            // otherwise OS buffering might not really do the write.
             raf.getChannel().force(!SKIP_METADATA_UPDATE);
         }
-        raf.getChannel().force(!SKIP_METADATA_UPDATE);
-        raf.close();
         now = System.currentTimeMillis();
 
         rc.size = data.length;
         rc.writes = ioCount;
         rc.writeDuration = (now - start);
 
-        raf = new RandomAccessFile(file, "rw");
-        start = System.currentTimeMillis();
-        now = System.currentTimeMillis();
-        ioCount = 0;
-        while (true) {
-            if ((now - start) > sampleInterval) {
-                break;
-            }
-            for (long i = 0; i + data.length < size; i += data.length) {
-                raf.seek(i);
-                raf.write(data);
-                raf.getChannel().force(false);
-                ioCount++;
-                now = System.currentTimeMillis();
+        try(RecoverableRandomAccessFile raf = new RecoverableRandomAccessFile(file, "rw")) {
+            start = System.currentTimeMillis();
+            now = System.currentTimeMillis();
+            ioCount = 0;
+            while (true) {
                 if ((now - start) > sampleInterval) {
                     break;
                 }
+                for (long i = 0; i + data.length < size; i += data.length) {
+                    raf.seek(i);
+                    raf.write(data);
+                    raf.getChannel().force(!SKIP_METADATA_UPDATE);
+                    ioCount++;
+                    now = System.currentTimeMillis();
+                    if ((now - start) > sampleInterval) {
+                        break;
+                    }
+                }
             }
         }
-        raf.close();
         now = System.currentTimeMillis();
         rc.syncWrites = ioCount;
         rc.syncWriteDuration = (now - start);
 
-        raf = new RandomAccessFile(file, "rw");
-        start = System.currentTimeMillis();
-        now = System.currentTimeMillis();
-        ioCount = 0;
-        while (true) {
-            if ((now - start) > sampleInterval) {
-                break;
-            }
-            raf.seek(0);
-            for (long i = 0; i + data.length < size; i += data.length) {
-                raf.seek(i);
-                raf.readFully(data);
-                ioCount++;
-                now = System.currentTimeMillis();
+        try(RecoverableRandomAccessFile raf = new RecoverableRandomAccessFile(file, "rw")) {
+            start = System.currentTimeMillis();
+            now = System.currentTimeMillis();
+            ioCount = 0;
+            while (true) {
                 if ((now - start) > sampleInterval) {
                     break;
                 }
+                raf.seek(0);
+                for (long i = 0; i + data.length < size; i += data.length) {
+                    raf.seek(i);
+                    raf.readFully(data);
+                    ioCount++;
+                    now = System.currentTimeMillis();
+                    if ((now - start) > sampleInterval) {
+                        break;
+                    }
+                }
             }
         }
-        raf.close();
 
         rc.reads = ioCount;
         rc.readDuration = (now - start);

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-stomp/src/main/java/org/apache/activemq/transport/stomp/ProtocolConverter.java
----------------------------------------------------------------------
diff --git a/activemq-stomp/src/main/java/org/apache/activemq/transport/stomp/ProtocolConverter.java b/activemq-stomp/src/main/java/org/apache/activemq/transport/stomp/ProtocolConverter.java
index d366962..23fa40a 100644
--- a/activemq-stomp/src/main/java/org/apache/activemq/transport/stomp/ProtocolConverter.java
+++ b/activemq-stomp/src/main/java/org/apache/activemq/transport/stomp/ProtocolConverter.java
@@ -83,15 +83,17 @@ public class ProtocolConverter {
     private static final StompFrame ping = new StompFrame(Stomp.Commands.KEEPALIVE);
 
     static {
-        InputStream in = null;
         String version = "5.6.0";
-        if ((in = ProtocolConverter.class.getResourceAsStream("/org/apache/activemq/version.txt")) != null) {
-            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
-            try {
-                version = reader.readLine();
-            } catch(Exception e) {
+        try(InputStream in = ProtocolConverter.class.getResourceAsStream("/org/apache/activemq/version.txt")) {
+            if (in != null) {
+                try(InputStreamReader isr = new InputStreamReader(in);
+                    BufferedReader reader = new BufferedReader(isr)) {
+                    version = reader.readLine();
+                }
             }
+        }catch(Exception e) {
         }
+
         BROKER_VERSION = version;
     }
 

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/AbstractJmsClientSystem.java
----------------------------------------------------------------------
diff --git a/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/AbstractJmsClientSystem.java b/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/AbstractJmsClientSystem.java
index 41cc864..58efb99 100644
--- a/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/AbstractJmsClientSystem.java
+++ b/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/AbstractJmsClientSystem.java
@@ -294,8 +294,10 @@ public abstract class AbstractJmsClientSystem extends AbstractObjectProperties {
         Properties fileProps = new Properties();
         try {
             if (configFile != null) {
-                LOG.info("Loading properties file: " + configFile.getAbsolutePath());
-                fileProps.load(new FileInputStream(configFile));
+                try(FileInputStream inputStream = new FileInputStream(configFile)) {
+                    LOG.info("Loading properties file: " + configFile.getAbsolutePath());
+                    fileProps.load(inputStream);
+                }
             }
         } catch (IOException e) {
             e.printStackTrace();

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/JmsProducerClient.java
----------------------------------------------------------------------
diff --git a/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/JmsProducerClient.java b/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/JmsProducerClient.java
index 4595ef3..68ea5cb 100644
--- a/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/JmsProducerClient.java
+++ b/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/JmsProducerClient.java
@@ -376,13 +376,14 @@ public class JmsProducerClient extends AbstractJmsMeasurableClient {
             }
 
             // try to load file
-            BufferedReader br = new BufferedReader(new FileReader(f));
             StringBuffer payload = new StringBuffer();
-            String tmp = null;
-            while ((tmp = br.readLine()) != null) {
-                payload.append(tmp);
+            try(FileReader fr = new FileReader(f);
+                BufferedReader br = new BufferedReader(fr)) {
+                String tmp = null;
+                while ((tmp = br.readLine()) != null) {
+                    payload.append(tmp);
+                }
             }
-            br.close();
             jmsTextMessage = getSession().createTextMessage(payload.toString());
             return jmsTextMessage;
         } catch (FileNotFoundException ex) {

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/reports/XmlFilePerfReportWriter.java
----------------------------------------------------------------------
diff --git a/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/reports/XmlFilePerfReportWriter.java b/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/reports/XmlFilePerfReportWriter.java
index 520153a..130c2d0 100644
--- a/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/reports/XmlFilePerfReportWriter.java
+++ b/activemq-tooling/activemq-perf-maven-plugin/src/main/java/org/apache/activemq/tool/reports/XmlFilePerfReportWriter.java
@@ -195,22 +195,25 @@ public class XmlFilePerfReportWriter extends AbstractPerfReportWriter {
         xmlFileWriter.println("<property name='performanceData'>");
         xmlFileWriter.println("<list>");
 
-        BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(tempLogFile)));
-        String line;
-        while ((line = reader.readLine()) != null) {
-            if (line.startsWith("[TP-DATA]")) {
-                handleCsvData(REPORT_PLUGIN_THROUGHPUT, line.substring("[TP-DATA]".length()));
-                parsePerfCsvData("tpdata", line.substring("[TP-DATA]".length()));
-            } else if (line.startsWith("[CPU-DATA]")) {
-                handleCsvData(REPORT_PLUGIN_CPU, line.substring("[CPU-DATA]".length()));
-                parsePerfCsvData("cpudata", line.substring("[CPU-DATA]".length()));
-            } else if (line.startsWith("[INFO]")) {
-                xmlFileWriter.println("<info>" + line + "</info>");
-            } else {
-                xmlFileWriter.println("<error>" + line + "</error>");
+        try (FileInputStream fileInputStream = new FileInputStream(tempLogFile);
+             InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream);
+             BufferedReader reader = new BufferedReader(inputStreamReader)) {
+
+            String line;
+            while ((line = reader.readLine()) != null) {
+                if (line.startsWith("[TP-DATA]")) {
+                    handleCsvData(REPORT_PLUGIN_THROUGHPUT, line.substring("[TP-DATA]".length()));
+                    parsePerfCsvData("tpdata", line.substring("[TP-DATA]".length()));
+                } else if (line.startsWith("[CPU-DATA]")) {
+                    handleCsvData(REPORT_PLUGIN_CPU, line.substring("[CPU-DATA]".length()));
+                    parsePerfCsvData("cpudata", line.substring("[CPU-DATA]".length()));
+                } else if (line.startsWith("[INFO]")) {
+                    xmlFileWriter.println("<info>" + line + "</info>");
+                } else {
+                    xmlFileWriter.println("<error>" + line + "</error>");
+                }
             }
         }
-
         xmlFileWriter.println("</list>");
         xmlFileWriter.println("</property>");
     }

http://git-wip-us.apache.org/repos/asf/activemq/blob/42d9fd11/activemq-web/src/main/java/org/apache/activemq/web/AjaxServlet.java
----------------------------------------------------------------------
diff --git a/activemq-web/src/main/java/org/apache/activemq/web/AjaxServlet.java b/activemq-web/src/main/java/org/apache/activemq/web/AjaxServlet.java
index b29bf05..80f9c3c 100644
--- a/activemq-web/src/main/java/org/apache/activemq/web/AjaxServlet.java
+++ b/activemq-web/src/main/java/org/apache/activemq/web/AjaxServlet.java
@@ -3,7 +3,7 @@
 //------------------------------------------------------------------------
 //Licensed under the Apache License, Version 2.0 (the "License");
 //you may not use this file except in compliance with the License.
-//You may obtain a copy of the License at 
+//You may obtain a copy of the License at
 //http://www.apache.org/licenses/LICENSE-2.0
 //Unless required by applicable law or agreed to in writing, software
 //distributed under the License is distributed on an "AS IS" BASIS,
@@ -64,19 +64,19 @@ public class AjaxServlet extends MessageListenerServlet {
 
             byte[] data = jsCache.get(resource);
             if (data == null) {
-                InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource);
-                if (in != null) {
-                    ByteArrayOutputStream out = new ByteArrayOutputStream();
-                    byte[] buf = new byte[4096];
-                    int len = in.read(buf);
-                    while (len >= 0) {
-                        out.write(buf, 0, len);
-                        len = in.read(buf);
+                try(InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource)) {
+                    if (in != null) {
+                        try(ByteArrayOutputStream out = new ByteArrayOutputStream()) {
+                            byte[] buf = new byte[4096];
+                            int len = in.read(buf);
+                            while (len >= 0) {
+                                out.write(buf, 0, len);
+                                len = in.read(buf);
+                            }
+                            data = out.toByteArray();
+                            jsCache.put(resource, data);
+                        }
                     }
-                    in.close();
-                    out.close();
-                    data = out.toByteArray();
-                    jsCache.put(resource, data);
                 }
             }
 


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