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App-system log error with path [/niku] threw exception

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Article ID: 106036

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Updated On:

Products

Clarity PPM On Premise

Issue/Introduction

Problem Statement: App-system log fills with below errors or even app services might not start
 
app-system log:2021/06/26 12:46:52.608 | SEVERE: Servlet.service() for servlet [default] in context with path [/niku] threw exception
2021/06/26 12:46:52.624 | java.lang.IllegalStateException: Cannot call sendError() after the response has been committed
2021/06/26 12:46:52.624 |  at org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:472)
2021/06/26 12:46:52.639 |  at javax.servlet.http.HttpServletResponseWrapper.sendError(HttpServletResponseWrapper.java:129)
2021/06/26 12:46:52.655 |  at com.niku.union.web.filter.XSSFilter.doFilter(XSSFilter.java:123)


Environment

Release: All Supported release

Cause

The probable causes are file level customization, could be keeping custom jar files under lib directory or keeping custom code under web root folder 

Resolution

It is recommended to keep any custom jar files under a separate folder lets say custom lib and its never recommended to make changes under webroot folder as its protected now.