我刚刚有一个Tomcat实例停止响应（它在被杀死并重新启动后开始工作正常），并且在日志消息中它看起来就像它停止响应之前有人用无效请求发送垃圾邮件。以下是日志文件的摘录：
[WARNING] [talledLocalContainer] WARNING: Parameters: Character decoding failed. Parameter 'ì°ÅM©2a
7)ýúVßiPÑUÙvPÏB%<kNíR¹YÃÁéIÿ4^ØsZ' with value '' has been ignored. Note that the name and value quoted here may corrupted due to the failed decoding. Use debug level logging to see the original, non-corrupted values.
[WARNING] [talledLocalContainer] Aug 6, 2012 5:23:16 PM org.apache.tomcat.util.http.Parameters processParameters
[WARNING] [talledLocalContainer] WARNING: Parameters: Character decoding failed. Parameter 'ì°ÅM©2a
7)ýúVßiPÑUÙvPÏB%<kNíR¹YÃÁéIÿ4^ØsZ' with value '' has been ignored. Note that the name and value quoted here may corrupted due to the failed decoding. Use debug level logging to see the original, non-corrupted values.
[INFO] [talledLocalContainer] 19:58:04 [InputSanitizerFilter] WARN: Removing potentially malicious parameter from request: batch
[WARNING] [talledLocalContainer] Aug 6, 2012 9:11:39 PM org.apache.tomcat.util.http.Parameters processParameters
[WARNING] [talledLocalContainer] WARNING: Parameters: Character decoding failed. Parameter 'ì°ëñÉÞ
[WARNING] [talledLocalContainer] 8Rû£QÜPÖ◆D)ç£<%E◆<ìS
[WARNING] [├▒┌┌␊␍L⎺␌▒┌C⎺┼├▒␋┼␊⎼] ÎS·Éä:ìAQØRÜ]' ┬␋├ ┴▒┌┤␊ '' ▒⎽ ␉␊␊┼ ␋±┼⎺⎼␊␍. N⎺├␊ ├▒├ ├␊ ┼▒└␊ ▒┼␍ ┴▒┌┤␊ ─┤⎺├␊␍ ␊⎼␊ └▒≤ ␌⎺⎼⎼┤⎻├␊␍ ␍┤␊ ├⎺ ├␊ °▒␋┌␊␍ ␍␊␌⎺␍␋┼±. U⎽␊ ␍␊␉┤± ┌␊┴␊┌ ┌⎺±±␋┼± ├⎺ ⎽␊␊ ├␊ ⎺⎼␋±␋┼▒┌, ┼⎺┼-␌⎺⎼⎼┤⎻├␊␍ ┴▒┌┤␊⎽.A┤± 6, 2012 9:11:39 PM ⎺⎼±.▒⎻▒␌␊.├⎺└␌▒├.┤├␋┌.├├⎻.P▒⎼▒└␊├␊⎼⎽ ⎻⎼⎺␌␊⎽⎽P▒⎼▒└␊├␊⎼⎽
日志中有相当多的内容。以前有人见过类似的东西吗？这是恶意攻击，还是Tomcat实例只是翻转/发疯？
更实际的是，我可以做些什么，例如在Valve或Filter中，检测这些请求并暂时禁止原始IP地址？我假设因为Tomcat无法解码乱码参数，所以我不能只查找无意义的参数名称，如果找到请求就拒绝请求。
修改
同样的问题又发生了，这次我捕获了一个线程转储。它实在太长了（实际上包括整个时间太长了）：
[INFO] [talledLocalContainer] 2012-08-08 12:00:27
[INFO] [talledLocalContainer] Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.1-b02 mixed mode):
[INFO] [talledLocalContainer]
[INFO] [talledLocalContainer] "http-80-44" daemon prio=10 tid=0x00007f789c0b7800 nid=0x2d6a in Object.wait() [0x00007f78972f1000]
[INFO] [talledLocalContainer] java.lang.Thread.State: WAITING (on object monitor)
[INFO] [talledLocalContainer] at java.lang.Object.wait(Native Method)
[INFO] [talledLocalContainer] - waiting on <0x00000000f55f8da0> (a org.apache.tomcat.util.net.JIoEndpoint$Worker)
[INFO] [talledLocalContainer] at java.lang.Object.wait(Object.java:485)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.JIoEndpoint$Worker.await(JIoEndpoint.java:458)
[INFO] [talledLocalContainer] - locked <0x00000000f55f8da0> (a org.apache.tomcat.util.net.JIoEndpoint$Worker)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:484)
[INFO] [talledLocalContainer] at java.lang.Thread.run(Thread.java:662)
[INFO] [talledLocalContainer]
[INFO] [talledLocalContainer] "http-80-43" daemon prio=10 tid=0x00007f789c0b5800 nid=0x2d09 in Object.wait() [0x00007f78973f0000]
[INFO] [talledLocalContainer] java.lang.Thread.State: WAITING (on object monitor)
[INFO] [talledLocalContainer] at java.lang.Object.wait(Native Method)
[INFO] [talledLocalContainer] - waiting on <0x00000000e07e96b8> (a com.mchange.v2.resourcepool.BasicResourcePool)
[INFO] [talledLocalContainer] at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1315)
[INFO] [talledLocalContainer] at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
[INFO] [talledLocalContainer] - locked <0x00000000e07e96b8> (a com.mchange.v2.resourcepool.BasicResourcePool)
[INFO] [talledLocalContainer] at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
[INFO] [talledLocalContainer] at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
[INFO] [talledLocalContainer] at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
[INFO] [talledLocalContainer] at org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:35)
[INFO] [talledLocalContainer] at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:417)
[INFO] [talledLocalContainer] at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)
[INFO] [talledLocalContainer] at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1538)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.doQuery(Loader.java:661)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.doList(Loader.java:2211)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2095)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.list(Loader.java:2090)
[INFO] [talledLocalContainer] at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:388)
[INFO] [talledLocalContainer] at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
[INFO] [talledLocalContainer] at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
[INFO] [talledLocalContainer] at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
[INFO] [talledLocalContainer] at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
[INFO] [talledLocalContainer] at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:80)
[INFO] [talledLocalContainer]
[INFO] [talledLocalContainer] "http-80-42" daemon prio=10 tid=0x00007f789c0cb800 nid=0x2d08 in Object.wait() [0x00007f78974f3000]
[INFO] [talledLocalContainer] java.lang.Thread.State: WAITING (on object monitor)
[INFO] [talledLocalContainer] at java.lang.Object.wait(Native Method)
[INFO] [talledLocalContainer] - waiting on <0x00000000f93e8070> (a org.apache.tomcat.util.net.JIoEndpoint$Worker)
[INFO] [talledLocalContainer] at java.lang.Object.wait(Object.java:485)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.JIoEndpoint$Worker.await(JIoEndpoint.java:458)
[INFO] [talledLocalContainer] - locked <0x00000000f93e8070> (a org.apache.tomcat.util.net.JIoEndpoint$Worker)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:484)
[INFO] [talledLocalContainer] at java.lang.Thread.run(Thread.java:662)
[INFO] [talledLocalContainer]
[INFO] [talledLocalContainer] "http-80-41" daemon prio=10 tid=0x00007f789c0c9800 nid=0x2d07 in Object.wait() [0x00007f78975f2000]
[INFO] [talledLocalContainer] java.lang.Thread.State: WAITING (on object monitor)
[INFO] [talledLocalContainer] at java.lang.Object.wait(Native Method)
[INFO] [talledLocalContainer] - waiting on <0x00000000e07e96b8> (a com.mchange.v2.resourcepool.BasicResourcePool)
[INFO] [talledLocalContainer] at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1315)
[INFO] [talledLocalContainer] at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
[INFO] [talledLocalContainer] - locked <0x00000000e07e96b8> (a com.mchange.v2.resourcepool.BasicResourcePool)
[INFO] [talledLocalContainer] at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
[INFO] [talledLocalContainer] at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
[INFO] [talledLocalContainer] at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
[INFO] [talledLocalContainer] at org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:35)
[INFO] [talledLocalContainer] at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:417)
[INFO] [talledLocalContainer] at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)
[INFO] [talledLocalContainer] at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1538)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.doQuery(Loader.java:661)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
[INFO] [talledLocalContainer] at org.hibernate.loader.Loader.loadEntity(Loader.java:1851)
[INFO] [talledLocalContainer] at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:48)
[INFO] [talledLocalContainer] at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:42)
[INFO] [talledLocalContainer] at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:2992)
[INFO] [talledLocalContainer] at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:395)
[INFO] [talledLocalContainer] at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:375)
[INFO] [talledLocalContainer] at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:139)
[INFO] [talledLocalContainer] at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:195)
[INFO] [talledLocalContainer] at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:103)
[INFO] [talledLocalContainer] at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
[INFO] [talledLocalContainer] at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815)
[INFO] [talledLocalContainer] at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)
[INFO] [talledLocalContainer] at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:174)
[INFO] [talledLocalContainer] at java.lang.Thread.run(Thread.java:662)
[INFO] [talledLocalContainer]
...
2012-08-08 12:00:31
Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.1-b02 mixed mode):
"Thread-18" daemon prio=10 tid=0x000000004217d000 nid=0x22ff runnable [0x00007f594d4f6000]
java.lang.Thread.State: RUNNABLE
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:198)
at org.apache.tools.ant.taskdefs.StreamPumper.run(StreamPumper.java:92)
at java.lang.Thread.run(Thread.java:662)
"Thread-17" daemon prio=10 tid=0x00000000430fd800 nid=0x22fe runnable [0x00007f594d899000]
java.lang.Thread.State: RUNNABLE
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:220)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
- locked <0x00000007da0b1be0> (a java.io.BufferedInputStream)
at java.io.FilterInputStream.read(FilterInputStream.java:90)
at org.apache.tools.ant.taskdefs.StreamPumper.run(StreamPumper.java:92)
at java.lang.Thread.run(Thread.java:662)
"process reaper" daemon prio=10 tid=0x00000000436ba800 nid=0x22fc runnable [0x00007f594d697000]
java.lang.Thread.State: RUNNABLE
at java.lang.UNIXProcess.waitForProcessExit(Native Method)
at java.lang.UNIXProcess.access$900(UNIXProcess.java:20)
at java.lang.UNIXProcess$1$1.run(UNIXProcess.java:132)
"Thread-16" prio=10 tid=0x0000000042297000 nid=0x22fb in Object.wait() [0x00007f594d798000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007da016138> (a java.lang.UNIXProcess)
at java.lang.Object.wait(Object.java:485)
at java.lang.UNIXProcess.waitFor(UNIXProcess.java:165)
- locked <0x00000007da016138> (a java.lang.UNIXProcess)
at org.apache.tools.ant.taskdefs.Execute.waitFor(Execute.java:551)
at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:482)
at org.apache.tools.ant.taskdefs.Java.fork(Java.java:784)
at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:211)
at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:132)
at org.apache.tools.ant.taskdefs.Java.execute(Java.java:105)
at org.codehaus.cargo.container.internal.AntContainerExecutorThread.run(AntContainerExecutorThread.java:103)
"pool-1-thread-5" prio=10 tid=0x00007f5948665000 nid=0x22d1 in Object.wait() [0x00007f594db6e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at java.lang.Object.wait(Object.java:485)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316)
- locked <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
"pool-1-thread-4" prio=10 tid=0x0000000042987800 nid=0x22cc in Object.wait() [0x00007f594dc6f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at java.lang.Object.wait(Object.java:485)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316)
- locked <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
"pool-1-thread-3" prio=10 tid=0x00007f5948a6e000 nid=0x22cb in Object.wait() [0x00007f594dd70000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at java.lang.Object.wait(Object.java:485)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316)
- locked <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
"pool-1-thread-2" prio=10 tid=0x00007f5948918800 nid=0x22ca in Object.wait() [0x00007f594de71000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at java.lang.Object.wait(Object.java:485)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316)
- locked <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
"pool-1-thread-1" prio=10 tid=0x0000000042b4a000 nid=0x22c9 in Object.wait() [0x00007f594df72000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at java.lang.Object.wait(Object.java:485)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316)
- locked <0x00000007847f3058> (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054)
at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
"Low Memory Detector" daemon prio=10 tid=0x00007f5948001800 nid=0x22c3 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x0000000041fc4800 nid=0x22c2 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x0000000041fc1000 nid=0x22c1 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x0000000041fbf000 nid=0x22c0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=10 tid=0x0000000041f9d000 nid=0x22bf in Object.wait() [0x00007f594e732000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007848dd390> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <0x00000007848dd390> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=0x0000000041f9b000 nid=0x22be in Object.wait() [0x00007f594e833000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007848dd350> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <0x00000007848dd350> (a java.lang.ref.Reference$Lock)
"main" prio=10 tid=0x0000000041f2e800 nid=0x22b4 waiting on condition [0x00007f59541a7000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.codehaus.cargo.container.spi.util.ContainerUtils.waitTillContainerIsStopped(ContainerUtils.java:88)
at org.codehaus.cargo.maven2.ContainerStartMojo.doExecute(ContainerStartMojo.java:59)
at org.codehaus.cargo.maven2.AbstractCargoMojo.execute(AbstractCargoMojo.java:279)
at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
"VM Thread" prio=10 tid=0x0000000041f94000 nid=0x22bd runnable
"GC task thread#0 (ParallelGC)" prio=10 tid=0x0000000041f41800 nid=0x22b5 runnable
"GC task thread#1 (ParallelGC)" prio=10 tid=0x0000000041f43800 nid=0x22b6 runnable
"GC task thread#2 (ParallelGC)" prio=10 tid=0x0000000041f45800 nid=0x22b7 runnable
"GC task thread#3 (ParallelGC)" prio=10 tid=0x0000000041f47000 nid=0x22b8 runnable
"GC task thread#4 (ParallelGC)" prio=10 tid=0x0000000041f49000 nid=0x22b9 runnable
"GC task thread#5 (ParallelGC)" prio=10 tid=0x0000000041f4b000 nid=0x22ba runnable
"GC task thread#6 (ParallelGC)" prio=10 tid=0x0000000041f4c800 nid=0x22bb runnable
"GC task thread#7 (ParallelGC)" prio=10 tid=0x0000000041f4e800 nid=0x22bc runnable
"VM Periodic Task Thread" prio=10 tid=0x00007f594800c000 nid=0x22c4 waiting on condition
JNI global references: 1299
Heap
PSYoungGen total 276160K, used 141490K [0x00000007d64b0000, 0x00000007f7e30000, 0x0000000800000000)
eden space 256512K, 51% used [0x00000007d64b0000,0x00000007de6d88f8,0x00000007e5f30000)
from space 19648K, 41% used [0x00000007e5f30000,0x00000007e6734020,0x00000007e7260000)
to space 18688K, 0% used [0x00000007f6bf0000,0x00000007f6bf0000,0x00000007f7e30000)
PSOldGen total 85376K, used 28607K [0x0000000782e00000, 0x0000000788160000, 0x00000007d64b0000)
object space 85376K, 33% used [0x0000000782e00000,0x00000007849efdf0,0x0000000788160000)
PSPermGen total 21248K, used 20127K [0x000000077dc00000, 0x000000077f0c0000, 0x0000000782e00000)
object space 21248K, 94% used [0x000000077dc00000,0x000000077efa7ca0,0x000000077f0c0000)
在我的脑海中，看起来等待的HTTP守护程序线程数量异常。
答案 0 :(得分：2)
尝试以下步骤;
编辑conf / server.xml并找到定义标记HTTP连接器的行。它看起来像这样，可能有更多参数：
<Connector port="8080"/>
将URIEncoding =“UTF-8”属性添加到连接器：
<Connector port="8080" URIEncoding="UTF-8"/>
重启Tomcat
答案 1 :(得分：1)
在发送请求之前，您可以尝试使用javascript函数escape(parameter)。我希望我的答案不是很晚，对某人有用。