在对类文件加密了之后，Tomcat启动时输出如下错误提示：
22-May-2015 18:18:07.354 WARNING [main] org.apache.catalina.startup.SetAllPropertiesRule.begin [SetAllPropertiesRule]{Server/Service/Connector} Setting property 'maxSpareThreads' to '1000' did not find a matching property.
22-May-2015 18:18:07.362 WARNING [main] org.apache.catalina.startup.SetAllPropertiesRule.begin [SetAllPropertiesRule]{Server/Service/Connector} Setting property 'minProcessors' to '100' did not find a matching property.
22-May-2015 18:18:07.363 WARNING [main] org.apache.catalina.startup.SetAllPropertiesRule.begin [SetAllPropertiesRule]{Server/Service/Connector} Setting property 'maxProcessors' to '1000' did not find a matching property.
22-May-2015 18:18:07.494 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.0.21
22-May-2015 18:18:07.497 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Mar 23 2015 14:11:21 UTC
22-May-2015 18:18:07.498 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.0.21.0
22-May-2015 18:18:07.498 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Linux
22-May-2015 18:18:07.499 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 2.6.32-431.el6.x86_64
22-May-2015 18:18:07.499 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
22-May-2015 18:18:07.499 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: /usr/java/jdk1.8.0_45/jre
22-May-2015 18:18:07.500 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_45-b14
22-May-2015 18:18:07.501 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
22-May-2015 18:18:07.502 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: /opt/apache-tomcat-8.0.21
22-May-2015 18:18:07.502 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: /opt/apache-tomcat-8.0.21
22-May-2015 18:18:07.503 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/opt/apache-tomcat-8.0.21/conf/logging.properties
22-May-2015 18:18:07.506 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
22-May-2015 18:18:07.506 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.endorsed.dirs=/opt/apache-tomcat-8.0.21/endorsed
22-May-2015 18:18:07.507 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/opt/apache-tomcat-8.0.21
22-May-2015 18:18:07.507 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/opt/apache-tomcat-8.0.21
22-May-2015 18:18:07.507 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/opt/apache-tomcat-8.0.21/temp
22-May-2015 18:18:07.508 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
22-May-2015 18:18:07.853 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-80"]
22-May-2015 18:18:07.908 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
22-May-2015 18:18:07.918 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
22-May-2015 18:18:07.920 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
22-May-2015 18:18:07.923 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 1452 ms
22-May-2015 18:18:07.978 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina
22-May-2015 18:18:07.978 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.0.21
22-May-2015 18:18:08.003 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /opt/apache-tomcat-8.0.21/webapps/ROOT
22-May-2015 18:18:08.510 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1096)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1756)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@2ec73649]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4844)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4974)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 10 more
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.JarResourceSet@2b61d018]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:106)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:699)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 13 more
Caused by: java.lang.IllegalArgumentException: java.io.IOException: invalid header field
at org.apache.catalina.webresources.JarResourceSet.initInternal(JarResourceSet.java:96)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
... 16 more
Caused by: java.io.IOException: invalid header field
at java.util.jar.Attributes.read(Attributes.java:406)
at java.util.jar.Manifest.read(Manifest.java:199)
at java.util.jar.Manifest.<init>(Manifest.java:69)
at java.util.jar.JarFile.getManifestFromReference(JarFile.java:194)
at java.util.jar.JarFile.getManifest(JarFile.java:180)
at org.apache.catalina.webresources.JarResourceSet.initInternal(JarResourceSet.java:94)
... 17 more
22-May-2015 18:18:08.516 SEVERE [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Error deploying web application directory /opt/apache-tomcat-8.0.21/webapps/ROOT
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:728)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1096)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1756)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
22-May-2015 18:18:08.518 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /opt/apache-tomcat-8.0.21/webapps/ROOT has finished in 514 ms
22-May-2015 18:18:08.525 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-80"]
22-May-2015 18:18:08.538 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
22-May-2015 18:18:08.540 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 616 ms这需要修改 Tomcat/lib/catalina.jar 中的 WebappClassLoader 类：
package org.apache.catalina.loader;
import org.apache.catalina.LifecycleException;
public class WebappClassLoader extends WebappClassLoaderBase {
public WebappClassLoader()
{
}
public WebappClassLoader(ClassLoader parent)
{
super(parent);
}
public WebappClassLoader copyWithoutTransformers()
{
WebappClassLoader result = new WebappClassLoader(getParent());
super.copyStateWithoutTransformers(result);
try
{
result.start();
} catch (LifecycleException e) {
throw new IllegalStateException(e);
}
return result;
}
protected Object getClassLoadingLock(String className)
{
return this;
}
}或者自己重写一个类来处理加密的类的加载问题。