Exception caught trying to measure REST API call: java.lang.StringIndexOutOfBoundsException: String index out of range: -1 in Tomcat Log filehttps://community.appian.com/discussions/f/administration/18022/exception-caught-trying-to-measure-rest-api-call-java-lang-stringindexoutofboundsexception-string-index-out-of-range--1-in-tomcat-log-fileWe have seen below error reported sometime in tomcat-stdOut.log file. Any idea what is causing this?. ERROR com.appiancorp.tempo.util.PerformanceLogFilter - Exception caught trying to measure REST API call: java.lang.StringIndexOutOfBoundsExceptionen-USTelligent Community 12RE: Exception caught trying to measure REST API call: java.lang.StringIndexOutOfBoundsException: String index out of range: -1 in Tomcat Log filehttps://community.appian.com/thread/72616?ContentTypeID=1Fri, 13 Mar 2020 04:56:53 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:0dedc312-548f-4911-89d4-9435f3f031cbdelonb0001<p>When using the Java substring() method, a subset of the character sequence can be extracted from a string. The <a href="http://net-informations.com/java/string/substring.htm">substring</a> index must be any value from 0 to the length of a string. The java.lang.StringIndexOutOfBoundsException thrown by String methods to indicate that the beginIndex is negative , or endIndex is larger than the length of this String object, or beginIndex is larger than endIndex.</p> <p>How to solve the StringIndexOutOfBoundsException</p> <ul> <li>Check the length of the string before using substring()</li> <li>Exception handling using try...catch.</li> </ul><div style="clear:both;"></div>