Incorrect class loading due to implicit boot delegation
-------------------------------------------------------
Key: FELIX-3074
URL: https://issues.apache.org/jira/browse/FELIX-3074
Project: Felix
Issue Type: Bug
Components: Framework
Affects Versions: framework-3.0.8
Reporter: Sahoo
Priority: Critical
While analysing some inexplicable errors in my test environment, I came across
this bug. The thread stack below causes a class from parent loader to be loaded
when I expected it not to.
FelixStartLevel@766 daemon, prio=5, in group 'main', status: 'RUNNING'
at
org.apache.felix.framework.ModuleImpl.doImplicitBootDelegation(ModuleImpl.java:1535)
at
org.apache.felix.framework.ModuleImpl.searchDynamicImports(ModuleImpl.java:1472)
at
org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:734)
at
org.apache.felix.framework.ModuleImpl.access$400(ModuleImpl.java:71)
at
org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1768)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at java.lang.Class.forName0(Class.java:-1)
at java.lang.Class.forName(Class.java:247)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:345)
at java.util.ServiceLoader$1.next(ServiceLoader.java:421)
at
org.glassfish.embeddable.GlassFishRuntime.getRuntimeBuilder(GlassFishRuntime.java:180)
at
org.glassfish.embeddable.GlassFishRuntime._bootstrap(GlassFishRuntime.java:156)
at
org.glassfish.embeddable.GlassFishRuntime.bootstrap(GlassFishRuntime.java:110)
at
com.sun.enterprise.glassfish.bootstrap.osgi.GlassFishMainActivator.start(GlassFishMainActivator.java:110)
at
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:629)
at org.apache.felix.framework.Felix.activateBundle(Felix.java:1835)
at org.apache.felix.framework.Felix.startBundle(Felix.java:1752)
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:922)
at
org.glassfish.fighterfish.sample.embeddegf.provisioner.Activator.startGlassFishBundle(Activator.java:90)
at
org.glassfish.fighterfish.sample.embeddegf.provisioner.Activator.start(Activator.java:81)
at
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:629)
at org.apache.felix.framework.Felix.activateBundle(Felix.java:1835)
at org.apache.felix.framework.Felix.startBundle(Felix.java:1752)
at
org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1156)
at
org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264)
at java.lang.Thread.run(Thread.java:619)
As per the logic in ModuleImpl.java,
isClassExternal(java.util.ServiceLoader$LazyIterator.class) return true, so it
boot delegates.
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