[Bug 49940] Sometimes writing twice to a .xlsx file throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException

[bugzilla]

https://issues.apache.org/bugzilla/show_bug.cgi?id=49940

--- Comment #9 from Dr Meier <drme...@gmx.de> ---
Now i had the problem in another context. I used the "getXXXXArray()" method to
iterate over a list of XML Elements.

I removed an element with the removeXXXX() method.

As soon as i forgot to refresh the Array afterwards with .getXXXXArray() the
XmlValueDisconnectedException happens again.

After the correction the code works fine:

DTCVALUE[] dtcValues = envData.getDTCVALUES().getDTCVALUEArray();
for(int k=dtcValues.length-1; k > 0 ;k--) {
    DTCVALUE dtcValue = dtcValues[k];
    if(!dtcMap.containsKey(dtcValue.getStringValue())){
        dtcMap.put(dtcValue.getStringValue(), envData);
    }else{
        DTCVALUES vals = envData.getDTCVALUES();
        vals.removeDTCVALUE(k);

        // !!!!!!! This is necessary, otherwise the Disconnected
                // Exception occors. !!!!!!!
        dtcValues = envData.getDTCVALUES().getDTCVALUEArray();
    }
}

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