Bad performance loading resources from JBoss jars after Facelets-using application starts
Issue
- We had experimented a big performance issue after the admin-console started for the first time in JBoss 5.1 EAP.
- We are seeing bad performance, and profiling shows that a substantial amount of time is spent verifying the signatures on JBoss jars:
at java.util.HashMap.createEntry(HashMap.java:901)
at java.util.HashMap.addEntry(HashMap.java:888)
at java.util.HashMap.put(HashMap.java:509)
at java.util.jar.Attributes.put(Attributes.java:148)
at java.util.jar.Attributes.putValue(Attributes.java:168)
at java.util.jar.Attributes.read(Attributes.java:421)
at java.util.jar.Manifest.read(Manifest.java:251)
at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:206)
at sun.security.util.SignatureFileVerifier.process(SignatureFileVerifier.java:193)
at java.util.jar.JarVerifier.processEntry(JarVerifier.java:305)
at java.util.jar.JarVerifier.update(JarVerifier.java:216)
at java.util.jar.JarFile.initializeVerifier(JarFile.java:345)
at java.util.jar.JarFile.getInputStream(JarFile.java:412)
- locked <0x00000006905c1bf0> (a sun.net.www.protocol.jar.URLJarFile)
at sun.net.www.protocol.jar.JarURLConnection.getInputStream(JarURLConnection.java:162)
...
Environment
- JBoss Enterprise Application Platform
- 5.1
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