请帮我解决在尝试在Tomcat服务器上部署WAR文件时获得的以下异常.
07:46:50,076 WARN HostConfig:606 - Exception while expanding web application archive chapal.war
07:47:00,123 INFO StandardHostDeployer:435 - Processing Context configuration file URL file:/home/eqdev/eqgen117/chrad/chapal-puru/tomcat/conf/Catalina/local
host/chapal.xml
07:47:00,158 ERROR Digester:1275 - Begin event threw exception
java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:203)
at java.util.jar.JarFile.<init>(JarFile.java:132)
at java.util.jar.JarFile.<init>(JarFile.java:70)
at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:56)
at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:41)
at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:68)
at sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:102)
at sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:69)
at org.apache.catalina.startup.ExpandWar.expand(ExpandWar.java:155)
at org.apache.catalina.startup.SetDocBaseRule.begin(SetDocBaseRule.java:138)
at org.apache.commons.digester.Digester.startElement(Digester.java:1273)
at org.apache.catalina.util.CatalinaDigester.startElement(CatalinaDigester.java:65)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanRootElementHook(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at …
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