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java.util.ConcurrentModificationException - application scope

Description

    public void function reset() {         loop struct=application index="local.k" item="local.v" {             if(findNoCase(variables.cacheAppendix,k))                 structDelete(application,k,false);         }         readExtensions(flush=true);     }

this was randomly throwing an error on the loop on line 2 (now i can’t reproduce)

"java.util.ConcurrentModificationException;lucee.runtime.exp.NativeException: java.util.ConcurrentModificationException /index.cfm:6 at java.base/java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:719) at java.base/java.util.LinkedHashMap$LinkedEntryIterator.next(LinkedHashMap.java:751) at java.base/java.util.LinkedHashMap$LinkedEntryIterator.next(LinkedHashMap.java:749) at s3ext_cfc$cf$2b.udfCall1(/S3Ext.cfc:16) at s3ext_cfc$cf$2b.udfCall(/S3Ext.cfc) at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:112) at lucee.runtime.type.UDFImpl._call(UDFImpl.java:350) at lucee.runtime.type.UDFImpl.call(UDFImpl.java:223) at lucee.runtime.ComponentImpl._call(ComponentImpl.java:696)

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Zac Spitzer 19 January 2023 at 08:26

Pothys - MitrahSoft 13 January 2023 at 06:24

I added a testcase to this ticket

Pull Request: https://github.com/lucee/Lucee/pull/1930

Pothys - MitrahSoft 12 January 2023 at 15:17

I've checked this ticket and confirmed the issue happened on the lucee latest version 5.4.0.30-SNAPSHOT too. Looping the struct and trying to delete the key from the same struct throws an error like java.util.ConcurrentModificationException. Also, this error happens with ordinary structs too.

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Created 27 December 2022 at 14:37
Updated 5 July 2023 at 10:57

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