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ajanata / PretendYoureXyzzy

A web clone of the card game Cards Against Humanity.
https://pretendyoure.xyz/zy
BSD 2-Clause "Simplified" License
1.22k stars 397 forks source link

Occasional ConcurrentModificationException #139

Open ajanata opened 9 years ago

ajanata commented 9 years ago

Feb 28, 2015 5:59:30 AM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [net.socialgamer.cah.servlets.AjaxServlet] in context with path [/zy] threw exception java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922) at java.util.HashMap$KeyIterator.next(HashMap.java:956) at java.util.AbstractCollection.toString(AbstractCollection.java:457) at org.json.simple.JSONValue.toJSONString(Unknown Source) at org.json.simple.JSONObject.toJSONString(Unknown Source) at org.json.simple.JSONObject.toJSONString(Unknown Source) at org.json.simple.JSONValue.toJSONString(Unknown Source) at org.json.simple.JSONObject.toJSONString(Unknown Source) at org.json.simple.JSONObject.toJSONString(Unknown Source) at org.json.simple.JSONValue.toJSONString(Unknown Source) at org.json.simple.JSONArray.toJSONString(Unknown Source) at org.json.simple.JSONValue.toJSONString(Unknown Source) at org.json.simple.JSONObject.toJSONString(Unknown Source) at org.json.simple.JSONObject.toJSONString(Unknown Source) at org.json.simple.JSONValue.toJSONString(Unknown Source) at net.socialgamer.cah.servlets.CahServlet.returnObject(CahServlet.java:218) at net.socialgamer.cah.servlets.CahServlet.returnData(CahServlet.java:188) at net.socialgamer.cah.servlets.AjaxServlet.handleRequest(AjaxServlet.java:99) at net.socialgamer.cah.servlets.CahServlet.doPost(CahServlet.java:116) at javax.servlet.http.HttpServlet.service(HttpServlet.java:646) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at net.socialgamer.cah.CacheControlFilter.doFilter(CacheControlFilter.java:31) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)