Hello,
I have a problem and Struts reports an error in one of it's own files:
error.ftl.
My code throws an exception and then the error.flt throws another
exception while trying to print my exception, thus masking mine.
I'm posting to dev, because I think it's an struts problem. Thanks for
your help.
I have pasted the stacktrace below.
The following code that throws the exception:
<#if (msgs?size > 1)>
<ol>
<#list msgs as msg>
<#if (msg?is_method)>
<li>${msg[0]}</li> <--- this line
<#else>
<li>${msg}</li>
</#if>
</#list>
Struts Problem Report
Struts has detected an unhandled exception:
Messages:
1. FreeMarker template error!
2.
3.
4. Method public java.lang.String
org.hibernate.exception.NestableRuntimeException.getMessage(int) threw an
exception when invoked on org.hibernate.HibernateException: Illegal attempt
to associate a collection with two open sessions
5. The problematic instruction:
6. ----------
7. ==> ${msg[0]} [on line 68, column 29 in
org/apache/struts2/dispatcher/error.ftl]
8. ----------
9.
10. Java backtrace for programmers:
11. ----------
12. freemarker.template.TemplateModelException: Method public
java.lang.String
org.hibernate.exception.NestableRuntimeException.getMessage(int) threw an
exception when invoked on org.hibernate.HibernateException: Illegal attempt
to associate a collection with two open sessions
13. at
freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:130)
14. at
freemarker.ext.beans.SimpleMethodModel.get(SimpleMethodModel.java:138)
15. at
freemarker.core.DynamicKeyName.dealWithNumericalKey(DynamicKeyName.java:111)
16. at
freemarker.core.DynamicKeyName._getAsTemplateModel(DynamicKeyName.java:90)
17. at
freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
18. at
freemarker.core.Expression.getStringValue(Expression.java:93)
19. at
freemarker.core.DollarVariable.accept(DollarVariable.java:76)
20. at freemarker.core.Environment.visit(Environment.java:209)
21. at
freemarker.core.MixedContent.accept(MixedContent.java:92)
22. at freemarker.core.Environment.visit(Environment.java:209)
23. at freemarker.core.IfBlock.accept(IfBlock.java:82)
24. at freemarker.core.Environment.visit(Environment.java:209)
25. at
freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179)
26. at freemarker.core.Environment.visit(Environment.java:416)
27. at
freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)
28. at freemarker.core.Environment.visit(Environment.java:209)
29. at
freemarker.core.MixedContent.accept(MixedContent.java:92)
30. at freemarker.core.Environment.visit(Environment.java:209)
31. at freemarker.core.IfBlock.accept(IfBlock.java:82)
32. at freemarker.core.Environment.visit(Environment.java:209)
33. at
freemarker.core.MixedContent.accept(MixedContent.java:92)
34. at freemarker.core.Environment.visit(Environment.java:209)
35. at
freemarker.core.Environment.process(Environment.java:189)
36. at freemarker.template.Template.process(Template.java:237)
37. at
org.apache.struts2.dispatcher.Dispatcher.sendError(Dispatcher.java:748)
38. at
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:505)
39. at
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.jav
a:395)
40. at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:242)
41. at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:208)
42. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:343)
43. at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.
invoke(FilterSecurityInterceptor.java:109)
44. at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.
doFilter(FilterSecurityInterceptor.java:83)
45. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
46. at
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(
ExceptionTranslationFilter.java:97)
47. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
48. at
org.springframework.security.web.authentication.AnonymousAuthenticationFilte
r.doFilter(AnonymousAuthenticationFilter.java:78)
49. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
50. at
org.springframework.security.web.authentication.rememberme.RememberMeAuthent
icationFilter.doFilter(RememberMeAuthenticationFilter.java:119)
51. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
52. at
org.springframework.security.web.authentication.AbstractAuthenticationProces
singFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
53. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
54. at
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter
(LogoutFilter.java:105)
55. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
56. at
org.springframework.security.web.context.SecurityContextPersistenceFilter.do
Filter(SecurityContextPersistenceFilter.java:79)
57. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
58. at
org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(Co
ncurrentSessionFilter.java:109)
59. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
60. at
org.springframework.security.web.access.channel.ChannelProcessingFilter.doFi
lter(ChannelProcessingFilter.java:109)
61. at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilte
r(FilterChainProxy.java:355)
62. at
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.
java:149)
63. at
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(Delegati
ngFilterProxy.java:237)
64. at
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilt
erProxy.java:167)
65. at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:242)
66. at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:208)
67. at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:243)
68. at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:201)
69. at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:163
)
70. at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108
)
71. at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:556)
72. at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:118)
73. at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:402)
74. at
org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:439)
75. at
org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProt
ocol.java:390)
76. at
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:
1555)
77. at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:11
10)
78. at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6
03)
79. at java.lang.Thread.run(Thread.java:636)
80. Caused by: java.lang.NullPointerException
81. at
freemarker.ext.beans.SimpleMemberModel.unwrapArguments(SimpleMemberModel.jav
a:85)
82. at
freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:106)
83. ... 66 more
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