improve `initCauseEL to handle if there is already a cause

core/src/main/java/lucee/commons/lang/ExceptionUtil.java

@@ -28,14 +28,12 @@
 import java.util.Iterator;
 
 import lucee.commons.io.SystemUtil.TemplateLine;
-import lucee.commons.io.log.LogUtil;
 import lucee.commons.io.res.Resource;
 import lucee.commons.io.res.util.ResourceUtil;
 import lucee.runtime.ComponentImpl;
 import lucee.runtime.PageContext;
 import lucee.runtime.PageContextImpl;
 import lucee.runtime.PageSource;
-import lucee.runtime.config.Config;
 import lucee.runtime.config.ConfigWeb;
 import lucee.runtime.exp.ApplicationException;
 import lucee.runtime.exp.ExpressionException;
@@ -299,11 +297,22 @@ public static FileNotFoundException toFileNotFoundException(NoSuchFileException
 
 	public static void initCauseEL(Throwable e, Throwable cause) {
 		if (cause == null) return;
+
+		// get current root cause
+		Throwable tmp;
+		int count = 100;
+		do {
+			if (--count <= 0) break; // in case cause point to a child
+			tmp = e.getCause();
+			if (tmp == null) break;
+			e = tmp;
+		}
+		while (true);
+		// attach to root cause
 		try {
 			e.initCause(cause);
 		}
-		catch (IllegalStateException ise) { // avoid: Can't overwrite cause with ...
-			LogUtil.log((Config) null, "exception", cause);
+		catch (Exception ex) {
 		}
 	}
 

loader/build.xml

@@ -2,7 +2,7 @@
 <project default="core" basedir="." name="Lucee" 
   xmlns:resolver="antlib:org.apache.maven.resolver.ant">
 
-  <property name="version" value="6.1.1.103-SNAPSHOT"/>
+  <property name="version" value="6.1.1.104-SNAPSHOT"/>
 
   <taskdef uri="antlib:org.apache.maven.resolver.ant" resource="org/apache/maven/resolver/ant/antlib.xml">
     <classpath>

loader/pom.xml

@@ -3,7 +3,7 @@
 
   <groupId>org.lucee</groupId>
   <artifactId>lucee</artifactId>
-  <version>6.1.1.103-SNAPSHOT</version>
+  <version>6.1.1.104-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>Lucee Loader Build</name>