Java查看注册表错误：ERROR You have not installed the DLL named 'ICE_JNIRegistry.DLL'

用java进行注册表操作时出现以下错误：

ERROR You have not installed the DLL named 'ICE_JNIRegistry.DLL'.

no ICE_JNIRegistry in java.library.path

2013-08-23 15:14:42,812 ERROR [http-8089-1] - Dispatch[/system] to method 'saveBackup' returned an exception

java.lang.reflect.InvocationTargetException

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.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:266)

at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:167)

at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:53)

at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:65)

at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:48)

at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)

at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)

at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)

at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:280)

at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1858)

at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:459)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.eredlab.g4.rif.util.RequestFilter.doFilter(Unknown Source)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.eredlab.g4.rif.util.CharacterEncodingFilter.doFilter(Unknown Source)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)

at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861)

at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)

at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584)

at java.lang.Thread.run(Thread.java:662)

Caused by: java.lang.UnsatisfiedLinkError: com.ice.jni.registry.RegistryKey.openSubKey(Ljava/lang/String;I)Lcom/ice/jni/registry/RegistryKey;

at com.ice.jni.registry.RegistryKey.openSubKey(Native Method)

at com.ice.jni.registry.RegistryKey.openSubKey(RegistryKey.java:185)

at org.eredlab.seit.util.RegeditUtil.getMachineStringValue(Unknown Source)

at org.eredlab.seit.system.web.SystemAction.saveBackup(Unknown Source)

... 35 more

解决办法：

在jre的bin文件夹中放入ICE_JNIRegistry.DLL，这是在WEB工程运行时解决办法

若在一般JAVA程序中操作注册表，应该访入jdk的bin或lib