[CAMEL-13415] Camel-core bundle uses sun/misc/Unsafe but do not declare Import-Package

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 2.23.1
• Component/s: osgi
• Estimated Complexity: Unknown
• Assignee: Unassigned
• Reporter: Kamil
• Created: 12/Apr/19 18:22
• Updated: 12/May/19 09:50
• Resolved: 12/May/19 09:50

Description

I have very simple OSGI bundle, which uses just camel-core.

When I run it, an exception is thrown:

20:14:31.684 [Camel Thread #0 - LRUCacheFactory] DEBUG org.apache.camel.util.LRUCacheFactory - Warming up LRUCache ...
Exception in thread "Camel Thread #0 - LRUCacheFactory" java.lang.NoClassDefFoundError: sun/misc/Unsafe
at org.apache.camel.com.github.benmanes.caffeine.base.UnsafeAccess.load(UnsafeAccess.java:68)
at org.apache.camel.com.github.benmanes.caffeine.base.UnsafeAccess.<clinit>(UnsafeAccess.java:42)
at org.apache.camel.com.github.benmanes.caffeine.cache.BLCHeader$DrainStatusRef.<clinit>(BoundedLocalCache.java:3487)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.apache.camel.com.github.benmanes.caffeine.cache.LocalCacheFactory.newBoundedLocalCache(Unknown Source)
at org.apache.camel.com.github.benmanes.caffeine.cache.BoundedLocalCache$BoundedLocalManualCache.<init>(BoundedLocalCache.java:3043)
at org.apache.camel.com.github.benmanes.caffeine.cache.BoundedLocalCache$BoundedLocalManualCache.<init>(BoundedLocalCache.java:3039)
at org.apache.camel.com.github.benmanes.caffeine.cache.Caffeine.build(Caffeine.java:926)
at org.apache.camel.util.LRUCache.<init>(LRUCache.java:124)
at org.apache.camel.util.LRUCache.<init>(LRUCache.java:92)
at org.apache.camel.util.LRUCache.<init>(LRUCache.java:79)
at org.apache.camel.util.LRUCache.<init>(LRUCache.java:66)
at org.apache.camel.util.LRUCacheFactory.newLRUCache(LRUCacheFactory.java:89)
at org.apache.camel.util.LRUCacheFactory.lambda$warmUp$0(LRUCacheFactory.java:66)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: sun.misc.Unsafe cannot be found by org.apache.camel.camel-core_2.23.1
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:511)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:414)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:153)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 18 more
! Failed to start bundle adapters.service-0.0.1, exception activator error Could not initialize class org.apache.camel.com.github.benmanes.caffeine.cache.BoundedLocalCache from: sun.reflect.NativeConstructorAccessorImpl:newInstance0#-2
org.osgi.framework.BundleException: Exception in adapters.service.Activator.start() of bundle adapters.service.
at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:803)
at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:732)
at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1005)
at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:357)
at org.eclipse.osgi.container.Module.doStart(Module.java:584)
at org.eclipse.osgi.container.Module.start(Module.java:452)
at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:431)
at aQute.launcher.Launcher.startBundles(Launcher.java:519)
at aQute.launcher.Launcher.activate(Launcher.java:425)
at aQute.launcher.Launcher.run(Launcher.java:303)
at aQute.launcher.Launcher.main(Launcher.java:149)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.apache.camel.com.github.benmanes.caffeine.cache.BoundedLocalCache
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.apache.camel.com.github.benmanes.caffeine.cache.LocalCacheFactory.newBoundedLocalCache(Unknown Source)
at org.apache.camel.com.github.benmanes.caffeine.cache.BoundedLocalCache$BoundedLocalManualCache.<init>(BoundedLocalCache.java:3043)
at org.apache.camel.com.github.benmanes.caffeine.cache.BoundedLocalCache$BoundedLocalManualCache.<init>(BoundedLocalCache.java:3039)
at org.apache.camel.com.github.benmanes.caffeine.cache.Caffeine.build(Caffeine.java:926)
at org.apache.camel.util.LRUCache.<init>(LRUCache.java:124)
at org.apache.camel.util.LRUWeakCache.<init>(LRUWeakCache.java:61)
at org.apache.camel.util.LRUWeakCache.<init>(LRUWeakCache.java:57)
at org.apache.camel.util.LRUCacheFactory.newLRUWeakCache(LRUCacheFactory.java:152)
at org.apache.camel.management.MBeanInfoAssembler.start(MBeanInfoAssembler.java:74)
at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75)
at org.apache.camel.management.DefaultManagementMBeanAssembler.doStart(DefaultManagementMBeanAssembler.java:121)
at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:72)
at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75)
at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:60)
at org.apache.camel.management.DefaultManagementAgent.doStart(DefaultManagementAgent.java:395)
at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:72)
at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75)
at org.apache.camel.management.DefaultManagementStrategy.doStartManagementStrategy(DefaultManagementStrategy.java:253)
at org.apache.camel.management.ManagedManagementStrategy.doStart(ManagedManagementStrategy.java:206)
at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:72)
at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75)
at org.apache.camel.impl.DefaultCamelContext.doStartCamel(DefaultCamelContext.java:3342)
at org.apache.camel.impl.DefaultCamelContext$4.call(DefaultCamelContext.java:3248)
at org.apache.camel.impl.DefaultCamelContext$4.call(DefaultCamelContext.java:3244)
at org.apache.camel.impl.DefaultCamelContext.doWithDefinedClassLoader(DefaultCamelContext.java:3267)
at org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:3244)
at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:72)
at org.apache.camel.impl.DefaultCamelContext.start(DefaultCamelContext.java:3160)
at adapters.service.Activator.start(Activator.java:28)
at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:782)
at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:775)
... 10 more

Camel-core bundle should Import sun.misc package

 

Until this bug is resolved, a workaround is to add "-runproperties: org.osgi.framework.bootdelegation="sun.misc"" to bnd.bnd file