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via MuleSoft JIRA by David Cisneros, 1 year ago
java.util.Collections$UnmodifiableList cannot be cast to java.lang.String
java.lang.ClassCastException: java.util.Collections$UnmodifiableList cannot be cast to java.lang.String	at org.mule.DefaultMuleMessage.updateDataTypeWithProperty(DefaultMuleMessage.java:537)	at org.mule.DefaultMuleMessage.setProperty(DefaultMuleMessage.java:496)	at org.mule.DefaultMuleMessage.setProperty(DefaultMuleMessage.java:488)	at org.mule.DefaultMuleMessage.addProperties(DefaultMuleMessage.java:1336)	at org.mule.DefaultMuleMessage.(DefaultMuleMessage.java:193)	at org.mule.DefaultMuleMessage.(DefaultMuleMessage.java:170)	at org.mule.module.http.internal.listener.HttpRequestToMuleEvent.transform(HttpRequestToMuleEvent.java:126)	at org.mule.module.http.internal.listener.DefaultHttpListener.createEvent(DefaultHttpListener.java:180)	at org.mule.module.http.internal.listener.DefaultHttpListener.access$000(DefaultHttpListener.java:46)	at org.mule.module.http.internal.listener.DefaultHttpListener$1.handleRequest(DefaultHttpListener.java:131)	at org.mule.module.http.internal.listener.grizzly.GrizzlyRequestDispatcherFilter.handleRead(GrizzlyRequestDispatcherFilter.java:83)	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133)	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112)	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:526)	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)	at org.mule.module.http.internal.listener.grizzly.ExecutorPerServerAddressIOStrategy.run0(ExecutorPerServerAddressIOStrategy.java:102)	at org.mule.module.http.internal.listener.grizzly.ExecutorPerServerAddressIOStrategy.access$100(ExecutorPerServerAddressIOStrategy.java:30)	at org.mule.module.http.internal.listener.grizzly.ExecutorPerServerAddressIOStrategy$WorkerThreadRunnable.run(ExecutorPerServerAddressIOStrategy.java:125)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)