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via Coderanch by Leticia Barbalho, 1 year ago
This exception has no message.
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java.util.ConcurrentModificationException: 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:448)	at java.util.AbstractList$Itr.next(AbstractList.java:419)	at auge.action.GeraRelatorioMPNecessariasAction.execute(GeraRelatorioMPNecessariasAction.java:108)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)