Joerg Hoh created SLING-13172:
---------------------------------
Summary: BundledScriptTracker: avoid endless recursion
Key: SLING-13172
URL: https://issues.apache.org/jira/browse/SLING-13172
Project: Sling
Issue Type: Improvement
Components: Servlets
Affects Versions: Servlets Resolver 2.11.12
Reporter: Joerg Hoh
We should avoid this stack overflow because of that endless recursion:
{noformat}
15.04.2026 15:52:00.992 *ERROR* [FelixLogListener]
org.apache.sling.servlets.resolver.internal.bundle.BundledScriptTracker bundle
org.apache.sling.servlets.resolver:2.11.12
(374)[org.apache.sling.servlets.resolver.internal.bundle.BundledScriptTracker(1521)]
: The activate method has thrown an exception (java.lang.StackOverflowError)
java.lang.StackOverflowError: null
at java.base/java.util.AbstractSet.hashCode(AbstractSet.java:120)
at java.base/java.util.Arrays.hashCode(Arrays.java:4599)
at java.base/java.util.Objects.hash(Objects.java:133)
at
org.apache.sling.servlets.resolver.internal.bundle.BundledRenderUnitCapabilityImpl.hashCode(BundledRenderUnitCapabilityImpl.java:115)
[org.apache.sling.servlets.resolver:2.11.12]
at java.base/java.util.Arrays.hashCode(Arrays.java:4599)
at java.base/java.util.Objects.hash(Objects.java:133)
at
org.apache.sling.servlets.resolver.internal.bundle.TypeProviderImpl.hashCode(TypeProviderImpl.java:53)
[org.apache.sling.servlets.resolver:2.11.12]
at java.base/java.util.HashMap.hash(HashMap.java:338)
at java.base/java.util.HashMap.put(HashMap.java:618)
at java.base/java.util.HashSet.add(HashSet.java:229)
at
org.apache.sling.servlets.resolver.internal.bundle.BundledScriptTracker.collectInheritanceChain(BundledScriptTracker.java:763)
[org.apache.sling.servlets.resolver:2.11.12]
at
org.apache.sling.servlets.resolver.internal.bundle.BundledScriptTracker.collectInheritanceChain(BundledScriptTracker.java:766)
[org.apache.sling.servlets.resolver:2.11.12]
at
org.apache.sling.servlets.resolver.internal.bundle.BundledScriptTracker.collectInheritanceChain(BundledScriptTracker.java:766)
[org.apache.sling.servlets.resolver:2.11.12]
at
org.apache.sling.servlets.resolver.internal.bundle.BundledScriptTracker.collectInheritanceChain(BundledScriptTracker.java:766)
[org.apache.sling.servlets.resolver:2.11.12]
[...]
{noformat}
Unfortunately not the entire stack is logged.
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