我在我的项目中使用Hibernate + google-Cloud-SQL
它工作正常,但它减慢了一段时间,当我们拨打更多电话时,它会给我以下例外: -
com.google.apphosting.api.ApiProxy$CancelledException: The API call datastore_v3.Put() was explicitly cancelled.
at com.google.apphosting.runtime.ApiProxyImpl$5.get(ApiProxyImpl.java:385)
at com.google.apphosting.runtime.ApiProxyImpl$5.get(ApiProxyImpl.java:382)
at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at com.google.appengine.api.datastore.FutureHelper$CumulativeAggregateFuture.get(FutureHelper.java:145)
at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at com.google.appengine.api.datastore.FutureHelper.getInternal(FutureHelper.java:72)
at com.google.appengine.api.datastore.FutureHelper.quietGet(FutureHelper.java:33)
at com.google.appengine.api.datastore.DatastoreServiceImpl$2.runInternal(DatastoreServiceImpl.java:113)
at com.google.appengine.api.datastore.DatastoreServiceImpl$2.runInternal(DatastoreServiceImpl.java:110)
at com.google.appengine.api.datastore.TransactionRunner.runInTransaction(TransactionRunner.java:31)
at com.google.appengine.api.datastore.DatastoreServiceImpl.put(DatastoreServiceImpl.java:110)
at com.google.appengine.api.datastore.DatastoreServiceImpl.put(DatastoreServiceImpl.java:94)
at com.google.apphosting.runtime.jetty.DatastoreSessionStore.saveSession(DatastoreSessionStore.java:94)
at com.google.apphosting.runtime.jetty.SessionManager$AppEngineSession.save(SessionManager.java:156)
at com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:41)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.apphosting.utils.servlet.JdbcMySqlConnectionCleanupFilter.doFilter(JdbcMySqlConnectionCleanupFilter.java:57)
答案 0 :(得分:0)
这是因为您已达到servlet请求或任务的时间限制,并且您仍然无法使用持久性(数据存储,内存缓存,云sql,存储)等其他服务等Google服务。