java.lang.IllegalStateException

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  • java.lang.IllegalStateException: getOutputStream() has already been called for this response at com.studentsonly.grails.plugins.uiperformance.CacheFilter.doFilter(CacheFilter.java:67) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)
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