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Published Jul. 2, 2025

java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils when indexing documents and media with an EPUB file

Written By

Kanchan Bisht

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Issue

  • During reindexing, the 'java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils' exceptions have been observed.
  • Steps to reproduce
    Upload an epub file to the Documents and Media portlet
    Expected behavior: No errors can be seen in the logs
    Observed behavior: A stack trace can be seen in the logs 
    2020-05-08 19:01:02.866 ERROR [http-nio-8080-exec-4][FileImpl:470] java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils
java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils
	at org.apache.tika.parser.epub.EpubParser.handleEmbedded(EpubParser.java:340)
	at org.apache.tika.parser.epub.EpubParser.bufferedParseZipFile(EpubParser.java:301)
	at org.apache.tika.parser.epub.EpubParser.bufferedParse(EpubParser.java:202)
	at org.apache.tika.parser.epub.EpubParser.parse(EpubParser.java:128)
	at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
	at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
	at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:143)
	at org.apache.tika.Tika.parseToString(Tika.java:527)
	at com.liferay.portal.util.FileImpl._parseToString(FileImpl.java:1134)
	at com.liferay.portal.util.FileImpl.extractText(FileImpl.java:447)
	at com.liferay.portal.kernel.util.FileUtil.extractText(FileUtil.java:163)
	at com.liferay.portal.kernel.search.DocumentImpl.addFile(DocumentImpl.java:201)
	at com.liferay.document.library.internal.search.spi.model.index.contributor.DLFileEntryModelDocumentContributor.contribute(DLFileEntryModelDocumentContributor.java:115)
	at com.liferay.document.library.internal.search.spi.model.index.contributor.DLFileEntryModelDocumentContributor.contribute(DLFileEntryModelDocumentContributor.java:61)
	at com.liferay.portal.search.internal.indexer.IndexerDocumentBuilderImpl.lambda$getDocument$1(IndexerDocumentBuilderImpl.java:54)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at com.liferay.portal.search.internal.indexer.IndexerDocumentBuilderImpl.getDocument(IndexerDocumentBuilderImpl.java:52)
	at com.liferay.portal.search.internal.indexer.IndexerWriterImpl.reindex(IndexerWriterImpl.java:235)
	at com.liferay.portal.search.internal.indexer.IndexerWriterImpl.lambda$reindex$0(IndexerWriterImpl.java:166)
	at java.util.Optional.ifPresent(Optional.java:159)
	at com.liferay.portal.search.internal.indexer.IndexerWriterImpl.reindex(IndexerWriterImpl.java:166)
	at com.liferay.portal.search.internal.indexer.DefaultIndexer.reindex(DefaultIndexer.java:262)
	at com.liferay.portal.search.buffer.NoAutoCommitIndexer.reindex(NoAutoCommitIndexer.java:242)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.liferay.portal.search.buffer.IndexerRequest.execute(IndexerRequest.java:99)
	at com.liferay.portal.search.internal.buffer.BaseIndexerRequestBufferExecutor.executeIndexerRequest(BaseIndexerRequestBufferExecutor.java:66)
	at com.liferay.portal.search.internal.buffer.DefaultIndexerRequestBufferExecutor.execute(DefaultIndexerRequestBufferExecutor.java:77)
	at com.liferay.portal.search.internal.buffer.BaseIndexerRequestBufferExecutor.execute(BaseIndexerRequestBufferExecutor.java:35)
	at com.liferay.portal.search.internal.buffer.IndexerRequestBufferTransactionLifecycleListener.committed(IndexerRequestBufferTransactionLifecycleListener.java:46)
	at com.liferay.portal.kernel.transaction.TransactionLifecycleNotifier.fireTransactionCommittedEvent(TransactionLifecycleNotifier.java:70)
	at com.liferay.portal.kernel.transaction.TransactionLifecycleNotifier$1.doCommitted(TransactionLifecycleNotifier.java:39)
	at com.liferay.portal.kernel.transaction.NewTransactionLifecycleListener.committed(NewTransactionLifecycleListener.java:29)
	at com.liferay.portal.kernel.transaction.TransactionLifecycleManager.fireTransactionCommittedEvent(TransactionLifecycleManager.java:34)
	at com.liferay.portal.spring.transaction.DefaultTransactionExecutor.commit(DefaultTransactionExecutor.java:51)
	at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:77)
	at com.liferay.portal.spring.aop.AopMethodInvocationImpl.proceed(AopMethodInvocationImpl.java:57)
	at com.liferay.portal.service.ServiceContextAdvice.invoke(ServiceContextAdvice.java:60)
	at com.liferay.portal.spring.aop.AopMethodInvocationImpl.proceed(AopMethodInvocationImpl.java:57)
	at com.liferay.portal.kernel.aop.ChainableMethodAdvice.invoke(ChainableMethodAdvice.java:64)
	at com.liferay.portal.spring.aop.AopMethodInvocationImpl.proceed(AopMethodInvocationImpl.java:57)
	at com.liferay.portal.spring.aop.AopInvocationHandler.invoke(AopInvocationHandler.java:49)
	at com.sun.proxy.$Proxy78.addFileEntry(Unknown Source)
	at com.liferay.document.library.web.internal.portlet.action.EditFileEntryMVCActionCommand._updateFileEntry(EditFileEntryMVCActionCommand.java:995)
	at com.liferay.document.library.web.internal.portlet.action.EditFileEntryMVCActionCommand.doProcessAction(EditFileEntryMVCActionCommand.java:207)
	at com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand.processAction(BaseMVCActionCommand.java:61)
	at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.callActionMethod(MVCPortlet.java:378)
	at com.liferay.portal.kernel.portlet.LiferayPortlet.processAction(LiferayPortlet.java:88)
	at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.processAction(MVCPortlet.java:260)
	at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:77)
	at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:50)
	at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:115)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
	at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
	at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
	at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.include(RequestDispatcherAdaptor.java:48)
	at com.liferay.portlet.internal.InvokerPortletImpl.invoke(InvokerPortletImpl.java:589)
	at com.liferay.portlet.internal.InvokerPortletImpl.invokeAction(InvokerPortletImpl.java:632)
	at com.liferay.portlet.internal.InvokerPortletImpl.processAction(InvokerPortletImpl.java:304)
	at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet.processAction(MonitoringInvokerPortlet.java:213)
	at com.liferay.portlet.internal.PortletContainerImpl._processAction(PortletContainerImpl.java:521)
	at com.liferay.portlet.internal.PortletContainerImpl.lambda$processAction$0(PortletContainerImpl.java:150)
	at com.liferay.portlet.internal.PortletContainerImpl._preserveGroupIds(PortletContainerImpl.java:425)
	at com.liferay.portlet.internal.PortletContainerImpl.processAction(PortletContainerImpl.java:143)
	at com.liferay.portlet.SecurityPortletContainerWrapper.processAction(SecurityPortletContainerWrapper.java:93)
	at com.liferay.portlet.RestrictPortletContainerWrapper.processAction(RestrictPortletContainerWrapper.java:76)
	at com.liferay.portal.kernel.portlet.PortletContainerUtil.processAction(PortletContainerUtil.java:118)
	at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:347)
	at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:170)
	at com.liferay.portal.struts.PortalRequestProcessor._process(PortalRequestProcessor.java:415)
	at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:155)
	at com.liferay.portal.internal.servlet.MainServlet.doPost(MainServlet.java:215)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
	at com.liferay.portal.internal.servlet.MainServlet.service(MainServlet.java:622)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.uploadservletrequest.UploadServletRequestFilter.processFilter(UploadServletRequestFilter.java:112)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.servlet.filters.lockout.LockoutFilter.processFilter(LockoutFilter.java:58)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:357)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:183)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:104)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:712)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:459)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:384)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
	at com.liferay.friendly.url.internal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:419)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at com.liferay.portal.servlet.ServletAdapter.service(ServletAdapter.java:99)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.uploadservletrequest.UploadServletRequestFilter.processFilter(UploadServletRequestFilter.java:112)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:368)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.servlet.filters.lockout.LockoutFilter.processFilter(LockoutFilter.java:58)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:357)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:87)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:264)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:88)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:270)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:183)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:389)
	at com.liferay.portal.servlet.filters.urlrewrite.UrlRewriteFilter.processFilter(UrlRewriteFilter.java:65)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:104)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1594)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtils
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365)
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
	... 209 more

Environment

  • Liferay DXP 7.0

Resolution

  • When reindexing, the above error trace is produced due to the lack of the apache library commons-lang3in DXP 7.0
  • This is a known issue and is fixed in Liferay DXP 7.0 fix pack 99.
  • If the hotfix is required for this issue, please create a support ticket requesting the hotfix by attaching the patch details.
  • Installing Fix Packs and Hotfixes on Liferay DXP will guide you to install the Fixpack/Hotfix in your environment.

Additional Information

  • EPUB is an e-book file format that uses the ".epub" file extension. The term is short for electronic publication and is sometimes styled ePub. EPUB is supported by many e-readers, and compatible software is available for most smartphones, tablets, and computers
  • However, it is also resolved in DXP 7.2 as part of the issue LPS-113272 where this library has been added to the Liferay product.
  • Try the above activity in a lower environment first, if all works well, then move to the production environment as per your discretion.
  • Perform these operations in application server downtime, because these steps require the restart of the server.
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