On 16/03/18 12:06, Priyam Srivastava wrote: > I have a scenario where we have to run some random number of independent > tasks to load data from DB. So I am using Java's fork Join framework to > create those task and then invoke them.
See: https://bz.apache.org/bugzilla/show_bug.cgi?id=60620 and the various threads linked from there. Mark > > Each task opens its own connection using datasource and closes it. > > But in Tomcat, I am getting below error at line: > > initialContext = new InitialContext(); > > javax.naming.NoInitialContextException: Cannot instantiate class: > org.apache.naming.java.javaURLContextFactory > at javax.naming.spi.NamingManager.getInitialContext(Unknown Source) > ~[?:1.8.0_161] > at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source) > ~[?:1.8.0_161] > at javax.naming.InitialContext.init(Unknown Source) ~[?:1.8.0_161] > at javax.naming.InitialContext.<init>(Unknown Source) ~[?:1.8.0_161] > at com.dummy.test.TestClass.compute(TestClass.java:71) [classes/:?] > at java.util.concurrent.RecursiveAction.exec(Unknown Source) [?:1.8.0_161] > at java.util.concurrent.ForkJoinTask.doExec(Unknown Source) [?:1.8.0_161] > at java.util.concurrent.ForkJoinPool$WorkQueue.execLocalTasks(Unknown > Source) [?:1.8.0_161] > at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source) > [?:1.8.0_161] > at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source) [?:1.8.0_161] > at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source) > [?:1.8.0_161] > Caused by: java.lang.ClassNotFoundException: > org.apache.naming.java.javaURLContextFactory > > This error seems to be coming only in Tomcat and when I run the same code > in Wildfly/Glassfish or JBOSS EAP, everything works fine. > > On the other hand if I change my code and run these tasks using Thread > instead of Fork Join framework, I don't face this issue in Tomcat. > > So why this error is coming in Tomcat only? > > Note: I am getting this error after deploying in Tomcat and hitting app URL > from Postman. The so called missing class is already there in > jar catalina.jar present inside <Tomcat_Home>/lib > > Environment Details: > > Java Version: 1.8 > Tomcat Version: 8.5, 9.0.6 > OS: Windows 10 Pro 64 bit > Database: Oracle 11g and MySQL 5.7 > > I have uploaded a dummy code to simulate this issue in Git. Please refer to > the readme.txt for full details there. > > Git URL: > https://github.com/wambling/my-project.git > > Regards, > Priyam > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
