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https://issues.apache.org/jira/browse/WW-3444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Johannes Geppert resolved WW-3444.
----------------------------------
Resolution: Fixed
Fix Version/s: 2.3
Assignee: Johannes Geppert (was: Lukasz Lenart)
This is already solved in sandbox struts2-portlet2 plugin.
> JSON plugin thows java.lang.IllegalStateException when used together with
> Struts2 Portlet Bridge
> ------------------------------------------------------------------------------------------------
>
> Key: WW-3444
> URL: https://issues.apache.org/jira/browse/WW-3444
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - JSON
> Affects Versions: 2.1.8.1
> Environment: OS: Linux, Sun JDK 1.6.0.19, Liferay 5.2.3 running on
> Tomcat 6.0.26
> Reporter: Per Pascal Grube
> Assignee: Johannes Geppert
> Fix For: 2.3
>
> Attachments: testportlet.war
>
>
> When trying to use the JSON Plugin when Struts is running as a portlet a
> java.lang.IllegalStateException: Not allowed in an a portlet is thrown.
> The full stacktrace is:
> java.lang.IllegalStateException: Not allowed in a portlet
> at
> org.apache.struts2.portlet.servlet.PortletServletResponse.setContentLength(PortletServletResponse.java:214)
> at
> org.apache.struts2.json.JSONUtil.writeJSONToResponse(JSONUtil.java:253)
> at
> org.apache.struts2.json.JSONResult.writeToResponse(JSONResult.java:214)
> at org.apache.struts2.json.JSONResult.execute(JSONResult.java:204)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:362)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:266)
> at
> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
> at
> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
> at
> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
> at
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
> --cut...
> Surrounding line 260 [
> response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
> ] in org/apache/struts2/json/JSONUtil.java makes it possible to get it
> running, but I guess it should be avoided at all to run into this exception.
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