<t:validateEqual> throws java.lang.NullPointerException: expr
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Key: TOMAHAWK-1573
URL: https://issues.apache.org/jira/browse/TOMAHAWK-1573
Project: MyFaces Tomahawk
Issue Type: Bug
Components: JSF2, Validators
Affects Versions: 1.1.10
Environment: OS: Windows 7 / Server 2008 R2
Web server: Tomcat 7.0.11
JRE: Java 6
JSF: MyFaces 2.0.4
Reporter: Mats Andreassen
I've recently started upgrading an application from JSF 1.1 to JSF 2.0.
My application uses validateEqual to compare two password fields and the code
worked fine previously.
I found this recent post about the same problem:
http://www.mail-archive.com/[email protected]/msg56990.html
My stack trace:
javax.servlet.ServletException: expr at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:221) at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:392)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
XXXXXX at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
XXXXXX at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
XXXXXX at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562) at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:284)
at
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:322)
at
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1714)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at
java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at
java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException:
expr at
javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:559)
at
org.apache.myfaces.custom.equalvalidator.AbstractEqualValidator.validate(AbstractEqualValidator.java:85)
at
javax.faces.component._ComponentUtils.callValidators(_ComponentUtils.java:173)
at javax.faces.component.UIInput.validateValue(UIInput.java:438) at
javax.faces.component.UIInput.validate(UIInput.java:583) at
javax.faces.component.UIInput.processValidators(UIInput.java:247) at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
org.apache.myfaces.custom.aliasbean.AliasBeansScope.processValidators(AliasBeansScope.java:191)
at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at javax.faces.component.UIForm.processValidators(UIForm.java:147) at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1218)
at
javax.faces.component.UIViewRoot._processValidatorsDefault(UIViewRoot.java:1322)
at javax.faces.component.UIViewRoot.access$500(UIViewRoot.java:75) at
javax.faces.component.UIViewRoot$ProcessValidatorPhaseProcessor.process(UIViewRoot.java:1397)
at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1278) at
javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:754) at
org.apache.myfaces.lifecycle.ProcessValidationsExecutor.execute(ProcessValidationsExecutor.java:34)
at
org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:171)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:189) ... 28 more
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