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Discussion

 Akshay Garg (AkshayG2)
Expedia

Expedia
IN
AkshayG2 Member since 2014 7 posts
Expedia
Posted: Jun 9, 2016
Last activity: Jun 22, 2016
Posted: 9 Jun 2016 3:57 EDT
Last activity: 22 Jun 2016 1:05 EDT
Closed

Deploy Pega PRPC 5.5 on Tomcat 8

Hi,

We are running our application on PRPC 5.5 with Tomcat 6 and Java 1.6. We are planning to update Java from 1.6 to 1.8 and Tomcat 6 to 8

We are able to update Java successfully. However we are facing issues running PRPC on Tomcat 8.  Error logged  is shared below. 

Does PRPC 5.5 supports Tomcat 8?

 

Logs -

2016-06-08 23:14:11,554  (     engine.context.PRNodeImpl) FATAL   - Cannot initialize node.
java.lang.RuntimeException: Failed to initialize the JSP subsystem
    at com.pega.pegarules.engine.generator.jsp.TLDLocationsCache.initialize(TLDLocationsCache.java:96)
    at com.pega.pegarules.engine.generator.jsp.JSPCompilerShell.init(JSPCompilerShell.java:58)
    at com.pega.pegarules.engine.context.InitialConfiguration.initializeJSPPaths(InitialConfiguration.java:281)
    at com.pega.pegarules.engine.context.PRNodeImpl.initialize(PRNodeImpl.java:857)
    at com.pega.pegarules.engine.context.PREnvironment.getThreadAndInitialize(PREnvironment.java:358)
    at com.pega.pegarules.etier.engine.EngineStartup.initEngine(EngineStartup.java:473)
    at com.pega.pegarules.etier.impl.EngineImpl._initEngine_privact(EngineImpl.java:136)
    at com.pega.pegarules.etier.impl.EngineImpl.doStartup(EngineImpl.java:109)
    at com.pega.pegarules.web.servlet.WebAppLifeCycleListener.contextInitialized(WebAppLifeCycleListener.java:217)
    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.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:258)
    at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethodPropagatingThrowable(PRBootstrap.java:299)
    at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:348)
    at com.pega.pegarules.internal.web.servlet.WebAppLifeCycleListenerBoot.contextInitialized(WebAppLifeCycleListenerBoot.java:80)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4813)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5272)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
    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.deployDescriptor(HostConfig.java:587)
    at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1798)
    at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java)
    at java.lang.Thread.run(Thread.java:745)
Caused by: com.pega.pegarules.engine.generator.jsp.JSPException: PRException
From: (unknown) 
    at com.pega.pegarules.engine.generator.jsp.TLDLocationsCache.processTLDsInJar(TLDLocationsCache.java:184)
    at com.pega.pegarules.engine.generator.jsp.TLDLocationsCache.processLibPathJars(TLDLocationsCache.java:203)
    at com.pega.pegarules.engine.generator.jsp.TLDLocationsCache.initialize(TLDLocationsCache.java:92)
    ... 29 more
Caused by: com.pega.pegarules.engine.generator.jsp.JSPException: Problem parsing JSP tld file:/var/tomcat/navigator/webapps/prweb/WEB-INF/lib/pega/pegatags.jar
From: (unknown) 
    at com.pega.pegarules.engine.generator.jsp.JSPParserUtilities.parseXMLDocument(JSPParserUtilities.java:225)
    at com.pega.pegarules.engine.generator.jsp.TLDLocationsCache.getURIFromTLD(TLDLocationsCache.java:122)
    at com.pega.pegarules.engine.generator.jsp.TLDLocationsCache.processTLDsInJar(TLDLocationsCache.java:160)
    ... 31 more
Caused by: org.xml.sax.SAXException: File /javax/servlet/jsp/resources/web-jsptaglibrary_1_2.dtd not found
    at com.pega.pegarules.engine.generator.jsp.JSPParserUtilities$MyEntityResolver.resolveEntity(JSPParserUtilities.java:116)
    at org.apache.xerces.util.EntityResolverWrapper.resolveEntity(Unknown Source)
    at org.apache.xerces.impl.XMLEntityManager.resolveEntity(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
    at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
    at com.pega.pegarules.engine.generator.jsp.JSPParserUtilities.parseXMLDocument(JSPParserUtilities.java:217)
    ... 33 more.  

 

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Installation and Deployment

Posted: 8 years ago
Posted: 22 Jun 2016 1:05 EDT
Steve Youles (Steve Youles)
Labb Consulting
Head of Global Training & Development
Labb Consulting
PH

I searched PDN for "Platform Support Guide" and found this https://docs-previous.pega.com/platform-support-guide-prpc-5x-and-6x - which only shows Tomcat versions up to 5, so it looks like you have probably answered your own question in that Tomcat 8 didn't exist till long after v5,5, so it's most likely it's not supported

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