In T246559: Investigate CrashLoopBackoff Pods on 2020 Kubernetes cluster I was looking into why several tools were failing after being migrated to the 2020 Kubernetes cluster. This bug report is a follow up to the things I documented in T246559#5930151.
It looks like there are some logic and/or java class version errors that need help.
$ kubectl logs -f corhist-84fddf9cbb-w2hks 2020-03-01T06:04:25.922+0000 SEVERE org.wikidata.history.sparql.NumericValueFactory$PropertyIRI; local class incompatible: stream classdesc serialVersionUID = -7130349094387029343, local class serialVersionUID = -3463140113163263022 java.io.InvalidClassException: org.wikidata.history.sparql.NumericValueFactory$PropertyIRI; local class incompatible: stream classdesc serialVersionUID = -7130349094387029343, local class serialVersionUID = -3463140113163263022 at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:699) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1940) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1806) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2097) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2266) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2266) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2266) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2266) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2222) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:04:41.011+0000 SEVERE org.wikidata.history.corhist.mining.SimpleConstraintRule java.lang.ClassNotFoundException: org.wikidata.history.corhist.mining.SimpleConstraintRule at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:419) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:352) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:720) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1923) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1806) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2097) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:04:41.608+0000 SEVERE invalid type code: 00 java.io.StreamCorruptedException: invalid type code: 00 at java.io.ObjectInputStream$BlockDataInputStream.readBlockHeader(ObjectInputStream.java:2926) at java.io.ObjectInputStream$BlockDataInputStream.refill(ObjectInputStream.java:2960) at java.io.ObjectInputStream$BlockDataInputStream.read(ObjectInputStream.java:3032) at java.io.DataInputStream.readInt(DataInputStream.java:387) at java.io.ObjectInputStream$BlockDataInputStream.readInt(ObjectInputStream.java:3237) at java.io.ObjectInputStream.readInt(ObjectInputStream.java:1066) at java.util.ArrayList.readObject(ArrayList.java:786) at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1170) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2233) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2266) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:04:41.744+0000 SEVERE org.wikidata.history.corhist.mining.SimpleConstraintRule java.lang.ClassNotFoundException: org.wikidata.history.corhist.mining.SimpleConstraintRule at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:419) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:352) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:720) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1923) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1806) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2097) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:04:51.529+0000 SEVERE invalid type code: AC java.io.StreamCorruptedException: invalid type code: AC at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1656) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:05:51.630+0000 SEVERE invalid type code: AC java.io.StreamCorruptedException: invalid type code: AC at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1656) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:05:56.346+0000 SEVERE invalid type code: 73 java.io.StreamCorruptedException: invalid type code: 73 at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1810) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2097) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2342) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2266) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2124) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:06:45.818+0000 SEVERE invalid type code: AC java.io.StreamCorruptedException: invalid type code: AC at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1656) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.wikidata.history.game.CorrectionLookup.lambda$loadRules$0(CorrectionLookup.java:41) at java.lang.Iterable.forEach(Iterable.java:75) at org.wikidata.history.game.CorrectionLookup.loadRules(CorrectionLookup.java:37) at org.wikidata.history.game.CorrectionLookup.<init>(CorrectionLookup.java:32) at org.wikidata.history.game.Main.main(Main.java:28) 2020-03-01T06:07:05.927+0000 WARNING Invalid cookie header: "Set-Cookie: WMF-Last-Access=01-Mar-2020;Path=/;HttpOnly;secure;Expires=Thu, 02 Apr 2020 00:00:00 GMT". Invalid 'expires' attribute: Thu, 02 Apr 2020 00:00:00 GMT 2020-03-01T06:07:05.929+0000 WARNING Invalid cookie header: "Set-Cookie: WMF-Last-Access-Global=01-Mar-2020;Path=/;Domain=.wikidata.org;HttpOnly;secure;Expires=Thu, 02 Apr 2020 00:00:00 GMT". Invalid 'expires' attribute: Thu, 02 Apr 2020 00:00:00 GMT 2020-03-01T06:09:37.725+0000 WARNING unexpected end of stream on Connection{www.wikidata.org:443, proxy=DIRECT hostAddress=www.wikidata.org/208.80.154.224:443 cipherSuite=TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 protocol=http/1.1} java.io.IOException: unexpected end of stream on Connection{www.wikidata.org:443, proxy=DIRECT hostAddress=www.wikidata.org/208.80.154.224:443 cipherSuite=TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 protocol=http/1.1} at okhttp3.internal.http1.Http1Codec.readResponseHeaders(Http1Codec.java:205) at okhttp3.internal.http.CallServerInterceptor.intercept(CallServerInterceptor.java:75) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:45) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:120) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:185) at okhttp3.RealCall$AsyncCall.execute(RealCall.java:135) at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32) 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.io.EOFException: \n not found: limit=0 content=… at okio.RealBufferedSource.readUtf8LineStrict(RealBufferedSource.java:227) at okio.RealBufferedSource.readUtf8LineStrict(RealBufferedSource.java:211) at okhttp3.internal.http1.Http1Codec.readResponseHeaders(Http1Codec.java:189) ... 19 more