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調用JasperFillManager.fillReport（）時，我們得到以下異常。令人困惑的是，它發生在我們的「生產」環境中，但在我們的測試環境中正常工作。Jasper Reports + WebSphere 7，ExceptionInInitializerError異常
顯然這個問題發生在一個靜態屬性的初始化過程中，我們認爲它可能與多線程Jasper有關（ThreadLocal-stuff）。
我們已經嘗試了一些建議已經指出的java.awt.headless = true JVM設置，但沒有改變。我們真的需要對疑難解答提出建議，或者在一個環境中可能會導致這種情況的線索，而不是另一個環境中的線索。據我們所知，他們是一樣的，但顯然東西是不同的，我們沒有想法檢查的東西。 所以這個問題真的是... 我們如何解決這樣的問題？
碧玉報告4.7（也有3.7發生）
的Java 1.6，Flex的（在服務器上GraniteDS的）/春/休眠
（我們沒有使用EJB，我們通過一個簡單的戰爭文件部署）
FunctionName: com.ibm.ws.webcontainer.servlet.ServletWrapper.service
SourceId: com.ibm.ws.webcontainer.servlet
Category: SEVERE
ExtendedMessage: SRVE0068E: Uncaught exception created in one of the service methods of the servlet ReportServlet in application B
AO. Exception created : java.lang.ExceptionInInitializerError
at java.lang.J9VMInternals.initialize(J9VMInternals.java:222)
at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:121)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:88)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:103)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:61)
at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:153)
at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:55)
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:446)
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:407)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:824)
at gov.bao.util.JasperWork.execute(JasperWork.java:36)
at org.hibernate.impl.SessionImpl.doWork(SessionImpl.java:1997)
at gov.bao.dao.ReportDao.generateJasperReport(ReportDao.java:246)
at gov.bao.service.ReportService.getTracerReport(ReportService.java:258)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at $Proxy65.getTracerReport(Unknown Source)
at gov.bao.servlet.ReportServlet.doGet(ReportServlet.java:110)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:718)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1657)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1597)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:359)
at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:275)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:344)
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:272)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:81)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
at com.ib***BUFFER OVERFLOW***Y
Trace: 2012/09/06 08:43:55.556 01 t=8C9CF0 c=UNK key=P8 (00000011)
Description: Log Java Message
Message: SRVE0068E: Uncaught exception created in one of the service methods of the servlet ReportServlet in application BAO. Exce
ption created : java.lang.ExceptionInInitializerError
at java.lang.J9VMInternals.initialize(J9VMInternals.java:222)
at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:121)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:88)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:103)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:61)
at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:153)
at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:55)
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:446)
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:407)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:824)
at gov.bao.util.JasperWork.execute(JasperWork.java:36)
at org.hibernate.impl.SessionImpl.doWork(SessionImpl.java:1997)
at gov.bao.dao.ReportDao.generateJasperReport(ReportDao.java:246)
at gov.bao.service.ReportService.getTracerReport(ReportService.java:258)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at $Proxy65.getTracerReport(Unknown Source)
at gov.bao.servlet.ReportServlet.doGet(ReportServlet.java:110)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:718)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1657)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1597)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:359)
at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:275)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:344)
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:272)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:81)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
at com.ib***BUFFER OVERFLOW***Y com.ibm.ws.webcontainer.servlet.ServletWrapper.service
通過使用jasper報告的「javaflow」版本以及Apache commons-javaflow.jar解決了這個問題。從未弄清楚爲什麼QA能夠正常工作...... – Mifune