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Briefly, this error occurs when OpenSearch fails to convert a certain query into a script. This could be due to syntax errors, unsupported script languages, or incorrect field names in the query. To resolve this issue, you can: 1) Check and correct the syntax of your query; 2) Ensure you’re using a supported script language; 3) Verify that the field names in your query match those in your index; 4) If the error persists, consider simplifying your query or breaking it down into smaller parts to isolate the problem.
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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 OpenSearch concepts: .
Log Context
Log “convertToScriptException” class name is PainlessUserTreeToIRTreePhase.java. We extracted the following from OpenSearch source code for those seeking an in-depth context :
irCatchBlockNode.addStatementNode(irThrowNode); InvokeCallMemberNode irInvokeCallMemberNode = new InvokeCallMemberNode(internalLocation);
irInvokeCallMemberNode.setExpressionType(ScriptException.class);
irInvokeCallMemberNode.setLocalFunction(
new LocalFunction("convertToScriptException"; ScriptException.class; Arrays.asList(Throwable.class; Map.class); true; false)
); irThrowNode.setExpressionNode(irInvokeCallMemberNode); LoadVariableNode irLoadVariableNode = new LoadVariableNode(internalLocation);
