Hi At the moment HFileWriterV2.close breaks at startup when using Guava 15. This is not a client problem - it happens because we start a master node to do integration tests.
A bit precarious and wonder if there are any plans to support Guava 15, or if there are clever way around this? Cheers, -Kristoffer org.apache.hadoop.hbase.DroppedSnapshotException: region: -ROOT-,,0 at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1646) at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1514) at org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1032) at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:980) at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:951) at org.apache.hadoop.hbase.master.MasterFileSystem.bootstrap(MasterFileSystem.java:523) at org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:463) at org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:148) at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:133) at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:549) at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:408) at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:226) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.NoClassDefFoundError: com/google/common/io/NullOutputStream at org.apache.hadoop.hbase.io.hfile.HFileWriterV2.close(HFileWriterV2.java:375) at org.apache.hadoop.hbase.regionserver.StoreFile$Writer.close(StoreFile.java:1299) at org.apache.hadoop.hbase.regionserver.Store.internalFlushCache(Store.java:897) at org.apache.hadoop.hbase.regionserver.Store.flushCache(Store.java:778) at org.apache.hadoop.hbase.regionserver.Store$StoreFlusherImpl.flushCache(Store.java:2290) at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1621) ... 12 more Caused by: java.lang.ClassNotFoundException: com.google.common.io.NullOutputStream at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 18 more