SSP Server does not work correctly when running in Apache Felix --------------------------------------------------------------- Key: JBIDE-26099 URL: https://issues.jboss.org/browse/JBIDE-26099 Project: Tools (JBoss Tools) Issue Type: Bug Components: stack-server-protocol Affects Versions: 4.6.0.AM2 Reporter: Denis Golovin Assignee: Rob Stryker Priority: Critical Fix For: 4.6.0.Final When running ssp distribution with apache felix findServerBeans request fails with exception below: {code}Jun 15, 2018 12:12:01 AM org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer fireError SEVERE: Unable to invoke no-args constructor for class org.jboss.tools.ssp.api.dao.DiscoveryPath. Register an InstanceCreator with Gson for this type may fix this problem. java.lang.RuntimeException: Unable to invoke no-args constructor for class org.jboss.tools.ssp.api.dao.DiscoveryPath. Register an InstanceCreator with Gson for this type may fix this problem. at com.google.gson.internal.ConstructorConstructor$14.construct(ConstructorConstructor.java:226) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:210) at com.google.gson.Gson.fromJson(Gson.java:887) at org.eclipse.lsp4j.jsonrpc.json.adapters.MessageTypeAdapter.fromJson(MessageTypeAdapter.java:298) at org.eclipse.lsp4j.jsonrpc.json.adapters.MessageTypeAdapter.parseParams(MessageTypeAdapter.java:229) at org.eclipse.lsp4j.jsonrpc.json.adapters.MessageTypeAdapter.read(MessageTypeAdapter.java:115) at org.eclipse.lsp4j.jsonrpc.json.adapters.MessageTypeAdapter.read(MessageTypeAdapter.java:51) at com.google.gson.Gson.fromJson(Gson.java:887) at org.eclipse.lsp4j.jsonrpc.json.MessageJsonHandler.parseMessage(MessageJsonHandler.java:113) at org.eclipse.lsp4j.jsonrpc.json.MessageJsonHandler.parseMessage(MessageJsonHandler.java:108) at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.handleMessage(StreamMessageProducer.java:182) at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.listen(StreamMessageProducer.java:92) at org.eclipse.lsp4j.jsonrpc.json.ConcurrentMessageProcessor.run(ConcurrentMessageProcessor.java:95) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.UnsupportedOperationException: Cannot allocate class org.jboss.tools.ssp.api.dao.DiscoveryPath at com.google.gson.internal.UnsafeAllocator$4.newInstance(UnsafeAllocator.java:104) at com.google.gson.internal.ConstructorConstructor$14.construct(ConstructorConstructor.java:223) ... 17 more {code} Running server-wildfly with maven {code}mvn exec:java -f server-wildfly{code} works fine