Briefly, this error occurs when Elasticsearch fails to convert a certain operation into a script. This could be due to incorrect syntax, unsupported script language, or a missing script plugin. To resolve this issue, you can check the syntax of your script, ensure that the script language is supported by Elasticsearch, or install the necessary script plugin. Additionally, check your Elasticsearch logs for more detailed error information.
This guide will help you check for common problems that cause the log ” convertToScriptException ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “convertToScriptException” class name is PainlessUserTreeToIRTreePhase.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
InvokeCallMemberNode irInvokeCallMemberNode = new InvokeCallMemberNode(internalLocation);
irInvokeCallMemberNode.attachDecoration(new IRDExpressionType(ScriptException.class));
irInvokeCallMemberNode.attachDecoration(
new IRDFunction(
new LocalFunction("convertToScriptException"; ScriptException.class; List.of(Throwable.class; Map.class); true; false)
)
); irThrowNode.setExpressionNode(irInvokeCallMemberNode);
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