代码更新后就抛这个错误

严重: Unable to process Jar entry [org/apache/poi/hssf/record/aggregates/PageSettingsBlock$PLSAggregate.class] from Jar [jar:file:/F:/Users/Administrator/Documents/workspace-sts-2.5.2.RELEASE/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/cloudlib/WEB-INF/lib/poi-3.8.jar!/] for annotations
java.io.UTFDataFormatException: malformed input around byte 3
	at java.io.DataInputStream.readUTF(DataInputStream.java:617)
	at java.io.DataInputStream.readUTF(DataInputStream.java:547)
	at org.apache.tomcat.util.bcel.classfile.ConstantUtf8.getInstance(ConstantUtf8.java:73)
	at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:128)
	at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:59)
	at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:208)
	at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:118)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2058)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1934)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1900)
	at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1885)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1317)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:876)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:374)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5378)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	at java.lang.Thread.run(Thread.java:662)
2015-1-27 13:29:01 org.apache.catalina.startup.ContextConfig processAnnotationsJar
严重: Unable to process Jar entry [org/apache/poi/hssf/record/aggregates/PageSettingsBlock.class] from Jar [jar:file:/F:/Users/Administrator/Documents/workspace-sts-2.5.2.RELEASE/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/cloudlib/WEB-INF/lib/poi-3.8.jar!/] for annotations
java.util.zip.ZipException: invalid LOC header (bad signature)
	at java.util.zip.ZipFile.read(Native Method)
	at java.util.zip.ZipFile.access$1200(ZipFile.java:31)
	at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:459)
	at java.util.zip.ZipFile$1.fill(ZipFile.java:242)
	at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:141)
	at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
	at java.io.DataInputStream.readInt(DataInputStream.java:370)
	at org.apache.tomcat.util.bcel.classfile.ClassParser.readID(ClassParser.java:236)
	at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:113)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2058)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1934)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1900)
	at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1885)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1317)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:876)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:374)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5378)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	at java.lang.Thread.run(Thread.java:662)
2015-1-27 13:29:03 org.apache.catalina.startup.TaglibUriRule body

是什么原因