java.lang.IllegalStateException: getWriter() has already been called for this response

sencha.com | 8 months ago
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    Root Cause Analysis

    1. java.lang.IllegalStateException

      getWriter() has already been called for this response

      at org.apache.catalina.connector.Response.getOutputStream()
    2. Glassfish Core
      Response.getOutputStream
      1. org.apache.catalina.connector.Response.getOutputStream(Response.java:579)
      1 frame