java.util.ConcurrentModificationException

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  • StringUtils concurrency exception
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    • java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) at java.util.ArrayList$Itr.next(ArrayList.java:851) at org.wso2.carbon.inbound.endpoint.protocol.websocket.management.WebsocketSubscriberPathManager.broadcastOnSubscriberPath(WebsocketSubscriberPathManager.java:98) at org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketResponseSender.handleSendBack(InboundWebsocketResponseSender.java:117) at org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketResponseSender.sendBack(InboundWebsocketResponseSender.java:86) at org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:214) at org.apache.synapse.mediators.builtin.RespondMediator.mediate(RespondMediator.java:35) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:97) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:59) at org.apache.synapse.config.xml.AnonymousListMediator.mediate(AnonymousListMediator.java:37) at org.apache.synapse.config.xml.SwitchCase.mediate(SwitchCase.java:69) at org.apache.synapse.mediators.filters.SwitchMediator.mediate(SwitchMediator.java:119) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:97) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:59) at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:158) at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:993) at org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketSourceHandler.injectToSequence(InboundWebsocketSourceHandler.java:461) at org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketSourceHandler.handleWebsocketPassthroughTextFrame(InboundWebsocketSourceHandler.java:346) at org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketSourceHandler.handleWebSocketFrame(InboundWebsocketSourceHandler.java:242) at org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketSourceHandler.channelRead(InboundWebsocketSourceHandler.java:132) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:110) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137) at java.lang.Thread.run(Thread.java:745)

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