java.lang.NullPointerException when try to save empty value in web.xml Editor. ------------------------------------------------------------------------------ Key: RHDS-120 URL: http://jira.jboss.com/jira/browse/RHDS-120 Project: Red Hat Developer Studio Issue Type: Bug Affects Versions: 1.0.0.beta1 Reporter: Anton Klimkovich Open web.xml on tree tab Right ckick on Error Pages for example Set Error-Code and location On Tree tab in web.xml Editor clear field with Error-Code Try to save file. java.lang.NullPointerException at org.eclipse.jst.j2ee.model.internal.validation.WarValidator.validateErrorPages(WarValidator.java:693) at org.eclipse.jst.j2ee.model.internal.validation.WarValidator.validate(WarValidator.java:251) at org.eclipse.jst.j2ee.internal.web.validation.UIWarValidator.validate(UIWarValidator.java:95) at org.eclipse.jst.j2ee.model.internal.validation.WarValidator.validateInJob(WarValidator.java:329) at org.eclipse.jst.j2ee.internal.web.validation.UIWarValidator.validateInJob(UIWarValidator.java:111) at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:75) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) org.eclipse.wst.validation.internal.core.ValidationException: CHKJ3000E: WAR Validation Failed: java.lang.NullPointerException at org.eclipse.jst.j2ee.model.internal.validation.WarValidator.validateInJob(WarValidator.java:343) at org.eclipse.jst.j2ee.internal.web.validation.UIWarValidator.validateInJob(UIWarValidator.java:111) at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:75) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira