[jbpm-issues] [JBoss JIRA] Resolved: (JBPM-2340) TaskService getTaskComments throws NullPointerException if the task is not found

TaskService getTaskComments throws NullPointerException if the task is not found -------------------------------------------------------------------------------- Key: JBPM-2340 URL: https://jira.jboss.org/jira/browse/JBPM-2340 Project: JBoss jBPM Issue Type: Bug Security Level: Public(Everyone can see) Components: Runtime Engine Affects Versions: jBPM 4.0.CR1 Reporter: Flavio Donzé Assignee: Joram Barrez Priority: Minor Fix For: jBPM 4.0 taskService.getTaskComments(-1); Throws a NullPointerException, instead of returning null or an empty list. java.lang.NullPointerException at org.jbpm.pvm.internal.cmd.GetTaskCommentsCmd.execute(GetTaskCommentsCmd.java:50) at org.jbpm.pvm.internal.cmd.GetTaskCommentsCmd.execute(GetTaskCommentsCmd.java:37) at org.jbpm.pvm.internal.svc.DefaultCommandService.execute(DefaultCommandService.java:42) at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:54) at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:54) at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55) at org.jbpm.pvm.internal.svc.TaskServiceImpl.getTaskComments(TaskServiceImpl.java:123) GetTaskCommentsCmd.java public List<Comment> execute(Environment environment) throws Exception { DbSession dbSession = environment.get(DbSession.class); TaskImpl task = dbSession.get(TaskImpl.class, taskDbid); List<Comment> comments = task.getComments(); forceInitializationAndClean(comments); return comments; } "task" is null since it's not found.