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groovyのマップからキーを削除する必要があります。私は多くの記事を通して見えるとこれをやって試してみました:Mule - Groovyコンポーネントのマップから特定のキーを削除する
def mymap = message.getInboundProperty("http.query.params");
mymap.remove('thatKey');
上記のコードは、私のために働くとエラーがスローされません:
Message : Failed to invoke ScriptComponent{GlobalProductDataStoreIntegrationMainFlow.component.1929599908}. Component that caused exception is: ScriptComponent{GlobalProductDataStoreIntegrationMainFlow.component.1929599908}. Message payload is of type: NullPayload
Type : org.mule.component.ComponentException
Code : MULE_ERROR--2
Payload : {NullPayload}
JavaDoc : http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/component/ComponentException.html
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Exception stack is:
1. null (java.lang.UnsupportedOperationException)
java.util.Collections$UnmodifiableMap:1345 (null)
2. java.lang.UnsupportedOperationException (javax.script.ScriptException)
org.codehaus.groovy.jsr223.GroovyScriptEngineImpl:348 (http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/script/ScriptException.html)
3. Failed to invoke ScriptComponent{GlobalProductDataStoreIntegrationMainFlow.component.1929599908}. Component that caused exception is: ScriptComponent{GlobalProductDataStoreIntegrationMainFlow.component.1929599908}. Message payload is of type: NullPayload (org.mule.component.ComponentException)
org.mule.component.AbstractComponent:142 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/component/ComponentException.html)
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Root Exception stack trace:
java.lang.UnsupportedOperationException
at java.util.Collections$UnmodifiableMap.remove(Collections.java:1345)
at org.mule.module.http.internal.ParameterMap.remove(ParameterMap.java:112)