In Tests finde ich, dass die Implementierung des Suchdienstes manchmal Probleme mit Sperrkonflikten hat. Ich sehe Fehler wie die folgenden:Google Appengine LocalSearchService schlägt aufgrund von Sperrkonkurrenz im Test fehl
Dec 30, 2017 6:09:28 PM com.google.appengine.api.search.dev.LocalSearchService indexDocumentForApp
SEVERE: Unable to access index
com.google.appengine.repackaged.org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/[path]/WEB-INF/appengine-generated/indexes/dGVzdA/Ym9va3Rh..P/write.lock
at com.google.appengine.repackaged.org.apache.lucene.store.Lock.obtain(Lock.java:85)
at com.google.appengine.repackaged.org.apache.lucene.index.IndexWriter.init(IndexWriter.java:1562)
at com.google.appengine.repackaged.org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1090)
at com.google.appengine.api.search.dev.LocalSearchService.getIndexWriter(LocalSearchService.java:800)
at com.google.appengine.api.search.dev.LocalSearchService.indexDocumentForApp(LocalSearchService.java:290)
at com.google.appengine.api.search.dev.LocalSearchService.indexDocument(LocalSearchService.java:268)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.appengine.tools.development.ApiProxyLocalImpl$AsyncApiCall.invokeApiMethodJava(ApiProxyLocalImpl.java:604)
at com.google.appengine.tools.development.ApiProxyLocalImpl$AsyncApiCall.callInternal(ApiProxyLocalImpl.java:559)
at com.google.appengine.tools.development.ApiProxyLocalImpl$AsyncApiCall.call(ApiProxyLocalImpl.java:516)
at com.google.appengine.tools.development.ApiProxyLocalImpl$AsyncApiCall.call(ApiProxyLocalImpl.java:488)
at java.util.concurrent.Executors$PrivilegedCallable$1.run(Executors.java:533)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.concurrent.Executors$PrivilegedCallable.call(Executors.java:530)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Dies scheint nicht zu keinen grundlegenden Rennbedingungen im Test selbst, sondern verursacht flakiness mit Tests zusammenzuhängen. Hat jemand eine Arbeit für diesen Fehler?