谁看看这到底是怎么回事,这是控制台的异常片段:
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
Exception in thread "http-apr-8081-exec-4" java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
还有几条,最后都是PermGen space,这是配置struts时的异常。
内存溢出
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
Exception in thread "http-apr-8081-exec-4" java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
还有几条,最后都是PermGen space,这是配置struts时的异常。
内存溢出
这是配置struts时的几个包,导入就有问题
4.解决方法1: 手动设置MaxPermSize大小,如果是linux系统,修改TOMCAT_HOME/bin/catalina.sh,如果是windows系统,修改TOMCAT_HOME/bin/catalina.bat,
在“echo "Using CATALINA_BASE: $CATALINA_BASE"”上面加入以下行:
JAVA_OPTS="-server -XX:PermSize=64M -XX:MaxPermSize=128m
建议:将相同的第三方jar文件移置到tomcat/shared/lib目录下,这样可以达到减少jar 文档重复占用内存的目的。
http://www.cnblogs.com/xwdreamer/archive/2011/11/21/2296930.html
你这段文字我不知道看过几遍了,我有更详细的;文章地址:http://blog.csdn.net/lifetragedy/article/details/7708724
我的class文件可能有点多,再多征求点意见,如果大家一致认为是这个问题,我再去重做一遍
但是,我刚才这个异常是运行了http://localhost:8080/struts2-blank-2.0.11/
也就是struts自带例子的时候出现的问题。里面没有一个是我自己写的
package java.util.concurrent;
import java.util.concurrent.locks.*;
import java.util.concurrent.atomic.*;
import java.util.*;public class ThreadPoolExecutor extends AbstractExecutorService {
然后指向下面这段中的这一句 processWorkerExit(w, completedAbruptly);
final void runWorker(Worker w) {
Runnable task = w.firstTask;
w.firstTask = null;
boolean completedAbruptly = true;
try {
while (task != null || (task = getTask()) != null) {
w.lock();
clearInterruptsForTaskRun();
try {
beforeExecute(w.thread, task);
Throwable thrown = null;
try {
task.run();
} catch (RuntimeException x) {
thrown = x; throw x;
} catch (Error x) {
thrown = x; throw x;
} catch (Throwable x) {
thrown = x; throw new Error(x);
} finally {
afterExecute(task, thrown);
}
} finally {
task = null;
w.completedTasks++;
w.unlock();
}
}
completedAbruptly = false;
} finally {
processWorkerExit(w, completedAbruptly);
}
}