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java.lang.NullPointerException: 	at org.glassfish.web.deployment.node.runtime.gf.WebBundleRuntimeNode.getSunDescriptor(WebBundleRuntimeNode.java:203)	at org.glassfish.web.deployment.node.runtime.gf.WebBundleRuntimeNode.setAttributeValue(WebBundleRuntimeNode.java:308)	at com.sun.enterprise.deployment.node.DeploymentDescriptorNode.startElement(DeploymentDescriptorNode.java:341)	at org.glassfish.web.deployment.node.runtime.gf.WebBundleRuntimeNode.startElement(WebBundleRuntimeNode.java:294)	at com.sun.enterprise.deployment.node.SaxParserHandler.startElement(SaxParserHandler.java:502)	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:749)	at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java:745)	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:378)	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:604)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3122)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:880)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:117)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:649)	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:333)	at com.sun.enterprise.deployment.io.DeploymentDescriptorFile.read(DeploymentDescriptorFile.java:318)	at com.sun.enterprise.deployment.io.DeploymentDescriptorFile.read(DeploymentDescriptorFile.java:245)	at com.sun.enterprise.deployment.archivist.Archivist.readStandardDeploymentDescriptor(Archivist.java:665)	at com.sun.enterprise.deployment.archivist.Archivist.readDeploymentDescriptors(Archivist.java:391)	at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:271)	at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:280)	at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:241)	at com.sun.enterprise.deployment.archivist.ApplicationFactory.openArchive(ApplicationFactory.java:161)	at org.glassfish.javaee.core.deployment.DolProvider.processDOL(DolProvider.java:198)	at org.glassfish.javaee.core.deployment.DolProvider.load(DolProvider.java:222)	at org.glassfish.javaee.core.deployment.DolProvider.load(DolProvider.java:96)	at com.sun.enterprise.v3.server.ApplicationLifecycle.loadDeployer(ApplicationLifecycle.java:878)	at com.sun.enterprise.v3.server.ApplicationLifecycle.setupContainerInfos(ApplicationLifecycle.java:818)	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:374)	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)	at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:356)	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)	at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)	at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)	at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)	at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)	at java.lang.Thread.run(Thread.java:745)