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From ma...@apache.org
Subject svn commit: r1231764 - in /tomcat/tc7.0.x/trunk: ./ java/org/apache/catalina/manager/JMXProxyServlet.java webapps/docs/changelog.xml webapps/docs/manager-howto.xml
Date Sun, 15 Jan 2012 21:41:34 GMT
Author: markt
Date: Sun Jan 15 21:41:34 2012
New Revision: 1231764

URL: http://svn.apache.org/viewvc?rev=1231764&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=38216
Add the ability to invoke MBean operations through the JMXProxy
Based on a patch by Christopher Hlubek
Also improved error reporting to help debugging.

Modified:
    tomcat/tc7.0.x/trunk/   (props changed)
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/manager/JMXProxyServlet.java
    tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
    tomcat/tc7.0.x/trunk/webapps/docs/manager-howto.xml

Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Sun Jan 15 21:41:34 2012
@@ -1 +1 @@
-/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
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 0,1231308,1231310,1231337,1231460-1231461,1231542-1231543,1231546-1231547,1231620-1231621,1231654-1231655,1231738,1231740
+/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
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Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/manager/JMXProxyServlet.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/manager/JMXProxyServlet.java?rev=1231764&r1=1231763&r2=1231764&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/manager/JMXProxyServlet.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/manager/JMXProxyServlet.java Sun Jan 15
21:41:34 2012
@@ -14,16 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
 package org.apache.catalina.manager;
 
-
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.Set;
 
 import javax.management.Attribute;
+import javax.management.MBeanOperationInfo;
+import javax.management.MBeanParameterInfo;
 import javax.management.MBeanServer;
 import javax.management.ObjectName;
 import javax.servlet.ServletException;
@@ -101,6 +100,19 @@ public class JMXProxyServlet extends Htt
             getAttribute( writer, qry, name );
             return;
         }        
+        qry = request.getParameter("invoke");
+        if(qry != null) {
+            String opName=request.getParameter("op");
+            String ps = request.getParameter("ps");
+            String[] valuesStr;
+            if (ps == null) {
+                valuesStr = new String[0];
+            } else {
+                valuesStr = request.getParameter("ps").split(",");
+            }
+            invokeOperation( writer, qry, opName,valuesStr );
+            return;
+        }
         qry=request.getParameter("qry");
         if( qry == null ) {
             qry = "*:*";
@@ -117,7 +129,8 @@ public class JMXProxyServlet extends Htt
             writer.println("OK - Attribute get '" + onameStr + "' - " + att
                     + "= " + MBeanDumper.escape(value.toString()));
         } catch (Exception ex) {
-            writer.println("Error - " + ex.toString());
+            writer.println("Error");
+            ex.printStackTrace(writer);
         }
     }
 
@@ -131,7 +144,8 @@ public class JMXProxyServlet extends Htt
             mBeanServer.setAttribute( oname, new Attribute(att, valueObj));
             writer.println("OK - Attribute set");
         } catch( Exception ex ) {
-            writer.println("Error - " + ex.toString());
+            writer.println("Error");
+            ex.printStackTrace(writer);
         }
     }
 
@@ -143,8 +157,9 @@ public class JMXProxyServlet extends Htt
             names=mBeanServer.queryNames(new ObjectName(qry), null);
             writer.println("OK - Number of results: " + names.size());
             writer.println();
-        } catch (Exception e) {
-            writer.println("Error - " + e.toString());
+        } catch (Exception ex) {
+            writer.println("Error");
+            ex.printStackTrace(writer);
             return;
         }
 
@@ -161,4 +176,38 @@ public class JMXProxyServlet extends Htt
     public boolean isSupported(String type) {
         return true;
     }
+
+
+    private void invokeOperation(PrintWriter writer, String onameStr, String op,
+            String[] valuesStr) {
+        try {
+            ObjectName oname=new ObjectName( onameStr );
+            MBeanOperationInfo methodInfo = registry.getMethodInfo(oname,op);
+            MBeanParameterInfo[] signature = methodInfo.getSignature();
+            String[] signatureTypes = new String[signature.length];
+            Object[] values = new Object[signature.length];
+            for (int i = 0; i < signature.length; i++) {
+               MBeanParameterInfo pi = signature[i];
+               signatureTypes[i] = pi.getType();
+               values[i] = registry.convertValue(pi.getType(), valuesStr[i] );
+           }
+
+            Object retVal = mBeanServer.invoke(oname,op,values,signatureTypes);
+            writer.println("OK - Operation " + op + " returned:");
+            output("", writer, retVal);
+        } catch( Exception ex ) {
+            writer.println("Error");
+            ex.printStackTrace(writer);
+        }
+    }
+
+    private void output(String indent, PrintWriter writer, Object result) {
+        if (result instanceof Object[]) {
+            for (Object obj : (Object[]) result) {
+                output("  " + indent, writer, obj);
+            }
+        } else {
+            writer.println(indent + result.toString());
+        }
+    }
 }

Modified: tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?rev=1231764&r1=1231763&r2=1231764&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Sun Jan 15 21:41:34 2012
@@ -217,6 +217,11 @@
   </subsection>
   <subsection name="Web applications">
     <changelog>
+      <add>
+        <bug>38216</bug>: Add the ability to invoke MBean operations to the JMX
+        proxy sevrlet in the Manager application. Based on a patch by
+        Christopher Hlubek. (markt)
+      </add>
       <update>
         Further clarify the relation between values used by
         <code>RemoteIpValve</code> and <code>RemoteIpFilter</code>

Modified: tomcat/tc7.0.x/trunk/webapps/docs/manager-howto.xml
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/manager-howto.xml?rev=1231764&r1=1231763&r2=1231764&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/manager-howto.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/manager-howto.xml Sun Jan 15 21:41:34 2012
@@ -1301,6 +1301,18 @@ Error: java.lang.NumberFormatException: 
 </source>
   </subsection>
 
+  <subsection name="JMX Invoke command">
+    <p>The <code>invoke</code> command enables methods to be called on
MBeans. The
+    general form of the command is:</p>
+<source>
+http://webserver/manager/jmxproxy/?invoke=BEANNAME&amp;op=METHODNAME&amp;ps=COMMASEPARATEDPARAMETERS
+</source>
+    <p>For example, to call the <code>findConnectors()</code> method of
the
+    <strong>Service</strong> use:</p>
+<source>
+http://localhost:8080/manager/jmxproxy/?invoke=Catalina%3Atype%3DService&amp;op=findConnectors&amp;ps=
+</source>
+  </subsection>
 
 </section>
 



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