线程-tomcat7 PermGen space 每天一次

问题描述

tomcat7 PermGen space 每天一次 50C
Exception in thread ""http-bio-443-exec-1832"" at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395)
at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:48)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.security.Provider$Service.newInstance(Provider.java:1240)
at javax.crypto.Cipher.chooseProvider(Cipher.java:845)
at javax.crypto.Cipher.init(Cipher.java:1348)
at sun.security.ssl.CipherBox.(CipherBox.java:175)
at sun.security.ssl.CipherBox.newCipherBox(CipherBox.java:208)
at sun.security.ssl.CipherSuite$BulkCipher.newCipher(CipherSuite.java:471)
at sun.security.ssl.Handshaker.newReadCipher(Handshaker.java:707)
at sun.security.ssl.SSLSocketImpl.changeReadCiphers(SSLSocketImpl.java:2063)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1117)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1332)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1359)
at sun.security.ssl.SSLSocketImpl.getSession(SSLSocketImpl.java:2191)
at org.apache.tomcat.util.net.jsse.JSSESocketFactory.handshake(JSSESocketFactory.java:252)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
java.lang.OutOfMemoryError: PermGen space
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395)
at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:48)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.security.Provider$Service.newInstance(Provider.java:1240)
at javax.crypto.Cipher.chooseProvider(Cipher.java:845)
at javax.crypto.Cipher.init(Cipher.java:1348)
at sun.security.ssl.CipherBox.(CipherBox.java:175)
at sun.security.ssl.CipherBox.newCipherBox(CipherBox.java:208)
at sun.security.ssl.CipherSuite$BulkCipher.newCipher(CipherSuite.java:471)
at sun.security.ssl.Handshaker.newReadCipher(Handshaker.java:707)
at sun.security.ssl.SSLSocketImpl.changeReadCiphers(SSLSocketImpl.java:2063)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1117)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1332)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1359)
at sun.security.ssl.SSLSocketImpl.getSession(SSLSocketImpl.java:2191)
at org.apache.tomcat.util.net.jsse.JSSESocketFactory.handshake(JSSESocketFactory.java:252)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
java.lang.OutOfMemoryError: PermGen space
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395)
at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:48)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.security.Provider$Service.newInstance(Provider.java:1240)
at javax.crypto.Cipher.chooseProvider(Cipher.java:845)
at javax.crypto.Cipher.init(Cipher.java:1348)
at sun.security.ssl.CipherBox.(CipherBox.java:175)
at sun.security.ssl.CipherBox.newCipherBox(CipherBox.java:208)
at sun.security.ssl.CipherSuite$BulkCipher.newCipher(CipherSuite.java:471)
at sun.security.ssl.Handshaker.newReadCipher(Handshaker.java:707)
at sun.security.ssl.SSLSocketImpl.changeReadCiphers(SSLSocketImpl.java:2063)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1117)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1332)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1359)
at sun.security.ssl.SSLSocketImpl.getSession(SSLSocketImpl.java:2191)
at org.apache.tomcat.util.net.jsse.JSSESocketFactory.handshake(JSSESocketFactory.java:252)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
java.lang.OutOfMemoryError: PermGen space
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395)
at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:48)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.security.Provider$Service.newInstance(Provider.java:1240)
at javax.crypto.Cipher.chooseProvider(Cipher.java:845)
at javax.crypto.Cipher.init(Cipher.java:1348)
at sun.security.ssl.CipherBox.(CipherBox.java:175)
at sun.security.ssl.CipherBox.newCipherBox(CipherBox.java:208)
at sun.security.ssl.CipherSuite$BulkCipher.newCipher(CipherSuite.java:471)
at sun.security.ssl.Handshaker.newReadCipher(Handshaker.java:707)
at sun.security.ssl.SSLSocketImpl.changeReadCiphers(SSLSocketImpl.java:2063)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1117)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1332)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1359)
at sun.security.ssl.SSLSocketImpl.getSession(SSLSocketImpl.java:2191)
at org.apache.tomcat.util.net.jsse.JSSESocketFactory.handshake(JSSESocketFactory.java:252)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Exception in thread ""http-bio-443-exec-2025"" java.lang.OutOfMemoryError: PermGen space

解决方案

tomcat 7 jdk7 Struts2 +spring +hibernate4 框架，，

解决方案二：
set JAVA_OPTS=-Xms512m -Xmx2048m -XX:PermSize=256m -XX:MaxPermSize=2048m

每天一次，内存会突然一下大起来，然后就溢出了

解决方案三：
我的每天出现这个错误多次，基本上重发布几次就会报这个错，目前没发现解决的方法

解决方案四：
看到都头晕了，望采纳

解决方案五：
一般大起来就是对象太多，垃圾回收机制没有及时收回空间，这，你优化一下，还不行么？

解决方案六：
优化过了还是不行，用测试工具多个线程去跑，并没有看到内存增加，内存有时候是突然一下子增大的

解决方案七：
PermGen space与Tomcat
tomcat部署多个应用出现PermGen space

时间： 2025-01-01 14:47:25

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