[jira] [Commented] (PDFBOX-4809) NullPointerException in PDPageContentStream writeOperator

["Tilman Hausherr (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17078906#comment-17078906 ] 

Tilman Hausherr commented on PDFBOX-4809:
-----------------------------------------

Which PDPageContentStream constructor is used? From looking at the source code, I think that "output" is null... but this is impossible from construction IMHO. Or could it be your code calls beginText() despite having called close() before that?

> NullPointerException in PDPageContentStream writeOperator
> ---------------------------------------------------------
>
>                 Key: PDFBOX-4809
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4809
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.18
>            Reporter: Arjun Prakash Babu
>            Priority: Major
>
> Hi Team,
>  
> While creating PDF PDPageContentStream.beginText() suddenly in the middle of creation pdfbox starts giving NullpointerException. It is random. Not always happens. We don't have a single occurrence in DEV environment. But in production we have few occurrence. 
> Error stack trace:
> java.lang.NullPointerException: nulljava.lang.NullPointerException: null at org.apache.pdfbox.pdmodel.PDPageContentStream.writeOperator(PDPageContentStream.java:2509) ~[pdfbox-2.0.18.jar:2.0.18] at org.apache.pdfbox.pdmodel.PDPageContentStream.beginText(PDPageContentStream.java:370) ~[pdfbox-2.0.18.jar:2.0.18] at com.sprint.rhs.web.service.TransactionReceiptsPDFGeneratorService.quesAnsRightAlign(TransactionReceiptsPDFGeneratorService.java:1496) ~[classes:?] at com.sprint.rhs.web.service.TransactionReceiptsPDFGeneratorService.generateDetailsPDF(TransactionReceiptsPDFGeneratorService.java:1303) ~[classes:?] at com.sprint.rhs.web.service.TransactionReceiptsPDFGeneratorService.generateReceiptDetailsPDF(TransactionReceiptsPDFGeneratorService.java:272) ~[classes:?] at com.sprint.rhs.web.service.TransactionReceiptsPDFGeneratorService.generateTransactionReceiptPDFPage(TransactionReceiptsPDFGeneratorService.java:97) ~[classes:?] at com.sprint.rhs.web.service.RmsReceiptService.generateReceiptPdf(RmsReceiptService.java:3113) ~[classes:?] at com.sprint.rhs.web.service.RmsReceiptService.saveTransactionReceipt(RmsReceiptService.java:3078) ~[classes:?] at com.sprint.rhs.web.service.RmsReceiptService.generateRmsReceipt(RmsReceiptService.java:3049) ~[classes:?] at com.sprint.rhs.web.service.TenderSaveFunctionalityService.validateEmailAttachmentFromRMS(TenderSaveFunctionalityService.java:3479) ~[classes:?] at com.sprint.rhs.web.controller.TenderTransactionController.sendEmail(TenderTransactionController.java:4110) ~[classes:?] at sun.reflect.GeneratedMethodAccessor2818.invoke(Unknown Source) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:686) ~[jboss-servlet-api_4.0_spec-1.0.0.Final-redhat-1.jar!/:1.0.0.Final-redhat-1] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.6.RELEASE.jar:4.3.6.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:791) ~[jboss-servlet-api_4.0_spec-1.0.0.Final-redhat-1.jar!/:1.0.0.Final-redhat-1] at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) ~[?:?] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) ~[?:?] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at org.wildfly.mod_cluster.undertow.metric.RunningRequestsHttpHandler.handleRequest(RunningRequestsHttpHandler.java:65) ~[?:?] at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68) ~[?:?] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105) ~[?:?] at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) ~[?:?] at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) ~[?:?] at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) ~[?:?] at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) ~[?:?] at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99) ~[undertow-servlet-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.server.Connectors.executeRootHandler(Connectors.java:376) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) ~[undertow-core-2.0.28.SP1-redhat-00001.jar!/:2.0.28.SP1-redhat-00001] at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35) ~[?:?] at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985) ~[?:?] at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487) ~[?:?] at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378) ~[?:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]



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