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From "Jack Cai (JIRA)" <j...@apache.org>
Subject [jira] Created: (GERONIMO-4987) Use ConcurrentHashMap instead of Collections.synchronizedMap(new HashMap())
Date Wed, 16 Dec 2009 02:33:18 GMT
Use ConcurrentHashMap instead of Collections.synchronizedMap(new HashMap())
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                 Key: GERONIMO-4987
                 URL: https://issues.apache.org/jira/browse/GERONIMO-4987
             Project: Geronimo
          Issue Type: Improvement
      Security Level: public (Regular issues)
    Affects Versions: 2.1.4
            Reporter: Jack Cai
            Priority: Trivial
             Fix For: 3.0


It might be better to use ConcurrentHashmap in below files.

./plugins/console/console-filter/src/main/java/org/apache/geronimo/console/filter/XSRFHandler.java:
   private Map<String, String> sessionMap = Collections.synchronizedMap(new HashMap<String,
String>());
./framework/modules/geronimo-crypto/src/main/java/org/apache/geronimo/crypto/EncryptionManager.java:
   private static final Map<String, Encryption> ENCRYPTORS = Collections.synchronizedMap(new
HashMap<String, Encryption>());
./framework/modules/geronimo-plugin/src/main/java/org/apache/geronimo/system/plugin/PluginInstallerGBean.java:
       asyncKeys = Collections.synchronizedMap(new HashMap<Object, DownloadResults>());
./framework/modules/geronimo-plugin/src/main/java/org/apache/geronimo/system/plugin/PluginInstallerGBean.java:
       asyncKeys = Collections.synchronizedMap(new HashMap<Object, DownloadResults>());
./framework/modules/geronimo-plugin/src/main/java/org/apache/geronimo/system/plugin/PluginInstallerGBean.java:
       asyncKeys = Collections.synchronizedMap(new HashMap<Object, DownloadResults>());
./framework/modules/geronimo-jmx-remoting/src/main/java/org/apache/geronimo/jmxremoting/Authenticator.java:
   private Map<String, LoginContext> contextMap = Collections.synchronizedMap(new HashMap<String,
LoginContext>());
./framework/modules/geronimo-security/src/main/java/org/apache/geronimo/security/ContextManager.java:
   private static Map<SubjectId, Subject> subjectIds =  Collections.synchronizedMap(new
HashMap<SubjectId, Subject>());




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