Hello, I attempted to start Hadoop Accelerator 1.8.0 with AWS EMR(4.7.1), but it failed.
->default-config.xml(Edited) https://drive.google.com/open?id=0B0ffj_ngVZxuUGlWSENHNjVSN0k ->core-site-config.json(Configuring Applications of EMR) https://drive.google.com/open?id=0B0ffj_ngVZxudHRDWGhxRmV4R1U Verbose output is below... START>>>>> [hadoop@ip-172-31-10-72 ~]$ /opt/apache-ignite-hadoop-1.8.0-bin/bin/ignite.sh -v Ignite Command Line Startup, ver. 1.8.0#20161205-sha1:9ca40dbe 2016 Copyright(C) Apache Software Foundation [06:57:52,957][INFO ][main][IgniteKernal] >>> __________ ________________ >>> / _/ ___/ |/ / _/_ __/ __/ >>> _/ // (7 7 // / / / / _/ >>> /___/\___/_/|_/___/ /_/ /___/ >>> >>> ver. 1.8.0#20161205-sha1:9ca40dbe >>> 2016 Copyright(C) Apache Software Foundation >>> >>> Ignite documentation: http://ignite.apache.org [06:57:52,958][INFO ][main][IgniteKernal] Config URL: file:/opt/apache-ignite-hadoop-1.8.0-bin/config/default-config.xml [06:57:52,958][INFO ][main][IgniteKernal] Daemon mode: off [06:57:52,958][INFO ][main][IgniteKernal] OS: Linux 4.4.11-23.53.amzn1.x86_64 amd64 [06:57:52,958][INFO ][main][IgniteKernal] OS user: hadoop [06:57:52,958][INFO ][main][IgniteKernal] PID: 19052 [06:57:52,959][INFO ][main][IgniteKernal] Language runtime: Java Platform API Specification ver. 1.7 [06:57:52,959][INFO ][main][IgniteKernal] VM information: OpenJDK Runtime Environment 1.7.0_111-mockbuild_2016_07_29_20_37-b00 Oracle Corporation OpenJDK 64-Bit Server VM 24.111-b01 [06:57:52,959][INFO ][main][IgniteKernal] VM total memory: 0.96GB [06:57:52,960][INFO ][main][IgniteKernal] Remote Management [restart: on, REST: on, JMX (remote: on, port: 49172, auth: off, ssl: off)] [06:57:52,960][INFO ][main][IgniteKernal] IGNITE_HOME=/opt/apache-ignite-hadoop-1.8.0-bin [06:57:52,960][INFO ][main][IgniteKernal] VM arguments: [-Xms1g, -Xmx1g, -XX:+AggressiveOpts, -XX:MaxPermSize=256m, -DIGNITE_QUIET=false, -DIGNITE_SUCCESS_FILE=/opt/apache-ignite-hadoop-1.8.0-bin/work/ignite_success_02b57366-b14f-4857-82c5-f9d5de3586c6, -Dcom.sun.management.jmxremote, -Dcom.sun.management.jmxremote.port=49172, -Dcom.sun.management.jmxremote.authenticate=false, -Dcom.sun.management.jmxremote.ssl=false, -DIGNITE_HOME=/opt/apache-ignite-hadoop-1.8.0-bin, -DIGNITE_PROG_NAME=/opt/apache-ignite-hadoop-1.8.0-bin/bin/ignite.sh] [06:57:52,960][INFO ][main][IgniteKernal] Configured caches ['ignite-marshaller-sys-cache', 'ignite-sys-cache', 'ignite-hadoop-mr-sys-cache', 'ignite-atomics-sys-cache', 'igfs-meta', 'igfs-data'] [06:57:52,965][INFO ][main][IgniteKernal] 3-rd party licenses can be found at: /opt/apache-ignite-hadoop-1.8.0-bin/libs/licenses [06:57:53,058][INFO ][main][IgnitePluginProcessor] Configured plugins: [06:57:53,058][INFO ][main][IgnitePluginProcessor] ^-- None [06:57:53,058][INFO ][main][IgnitePluginProcessor] [06:57:53,100][INFO ][main][TcpCommunicationSpi] IPC shared memory server endpoint started [port=48100, tokDir=/opt/apache-ignite-hadoop-1.8.0-bin/work/ipc/shmem/5330df8a-f3c0-42c7-82f3-adf6c9365768-19052] [06:57:53,100][INFO ][main][TcpCommunicationSpi] Successfully bound shared memory communication to TCP port [port=48100, locHost=0.0.0.0/0.0.0.0] [06:57:53,120][INFO ][main][TcpCommunicationSpi] Successfully bound to TCP port [port=47100, locHost=0.0.0.0/0.0.0.0] [06:57:53,147][WARN ][main][NoopCheckpointSpi] Checkpoints are disabled (to enable configure any GridCheckpointSpi implementation) [06:57:53,184][WARN ][main][GridCollisionManager] Collision resolution is disabled (all jobs will be activated upon arrival). [06:57:53,195][INFO ][main][IgniteKernal] Security status [authentication=off, tls/ssl=off] [06:57:53,484][INFO ][main][GridTcpRestProtocol] Command protocol successfully started [name=TCP binary, host=0.0.0.0/0.0.0.0, port=11211] [06:57:53,617][ERROR][main][IgniteKernal] Got exception while starting (will rollback startup routine). java.lang.IllegalArgumentException: Can not create a Path from an empty string at org.apache.hadoop.fs.Path.checkPathArg(Path.java:126) at org.apache.hadoop.fs.Path.<init>(Path.java:134) at org.apache.ignite.internal.processors.hadoop.impl.delegate.HadoopBasicFileSystemFactoryDelegate.start(HadoopBasicFileSystemFactoryDelegate.java:165) at org.apache.ignite.internal.processors.hadoop.impl.delegate.HadoopCachingFileSystemFactoryDelegate.start(HadoopCachingFileSystemFactoryDelegate.java:58) at org.apache.ignite.internal.processors.hadoop.impl.delegate.HadoopIgfsSecondaryFileSystemDelegateImpl.start(HadoopIgfsSecondaryFileSystemDelegateImpl.java:375) at org.apache.ignite.hadoop.fs.IgniteHadoopIgfsSecondaryFileSystem.start(IgniteHadoopIgfsSecondaryFileSystem.java:261) at org.apache.ignite.internal.processors.igfs.IgfsImpl.<init>(IgfsImpl.java:186) at org.apache.ignite.internal.processors.igfs.IgfsContext.<init>(IgfsContext.java:101) at org.apache.ignite.internal.processors.igfs.IgfsProcessor.start(IgfsProcessor.java:128) at org.apache.ignite.internal.IgniteKernal.startProcessor(IgniteKernal.java:1602) at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:893) at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1794) at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1598) at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1041) at org.apache.ignite.internal.IgnitionEx.startConfigurations(IgnitionEx.java:963) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:849) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:748) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:618) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:588) at org.apache.ignite.Ignition.start(Ignition.java:347) at org.apache.ignite.startup.cmdline.CommandLineStartup.main(CommandLineStartup.java:302) [06:57:53,619][WARN ][main][IgniteKernal] Attempt to stop starting grid. This operation cannot be guaranteed to be successful. [06:57:53,623][INFO ][main][GridTcpRestProtocol] Command protocol successfully stopped: TCP binary [06:57:53,632][WARN ][main][GridCacheIoManager] Failed to unregister ordered cache communication handler because it was not found for topic: T6 [topic=TOPIC_CACHE, id1=83e8ca36-2305-3266-8e65-1463be879baa, id2=0] [06:57:53,757][INFO ][main][IgniteKernal] >>> +---------------------------------------------------------------------------------+ >>> Ignite ver. 1.8.0#20161205-sha1:9ca40dbeb7d559fcb299bdb6f5c90cdf8ce7e533 >>> stopped OK >>> +---------------------------------------------------------------------------------+ >>> Grid uptime: 00:00:01:744 class org.apache.ignite.IgniteException: Can not create a Path from an empty string at org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:927) at org.apache.ignite.Ignition.start(Ignition.java:350) at org.apache.ignite.startup.cmdline.CommandLineStartup.main(CommandLineStartup.java:302) Caused by: class org.apache.ignite.IgniteCheckedException: Can not create a Path from an empty string at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:973) at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1794) at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1598) at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1041) at org.apache.ignite.internal.IgnitionEx.startConfigurations(IgnitionEx.java:963) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:849) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:748) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:618) at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:588) at org.apache.ignite.Ignition.start(Ignition.java:347) ... 1 more Caused by: java.lang.IllegalArgumentException: Can not create a Path from an empty string at org.apache.hadoop.fs.Path.checkPathArg(Path.java:126) at org.apache.hadoop.fs.Path.<init>(Path.java:134) at org.apache.ignite.internal.processors.hadoop.impl.delegate.HadoopBasicFileSystemFactoryDelegate.start(HadoopBasicFileSystemFactoryDelegate.java:165) at org.apache.ignite.internal.processors.hadoop.impl.delegate.HadoopCachingFileSystemFactoryDelegate.start(HadoopCachingFileSystemFactoryDelegate.java:58) at org.apache.ignite.internal.processors.hadoop.impl.delegate.HadoopIgfsSecondaryFileSystemDelegateImpl.start(HadoopIgfsSecondaryFileSystemDelegateImpl.java:375) at org.apache.ignite.hadoop.fs.IgniteHadoopIgfsSecondaryFileSystem.start(IgniteHadoopIgfsSecondaryFileSystem.java:261) at org.apache.ignite.internal.processors.igfs.IgfsImpl.<init>(IgfsImpl.java:186) at org.apache.ignite.internal.processors.igfs.IgfsContext.<init>(IgfsContext.java:101) at org.apache.ignite.internal.processors.igfs.IgfsProcessor.start(IgfsProcessor.java:128) at org.apache.ignite.internal.IgniteKernal.startProcessor(IgniteKernal.java:1602) at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:893) ... 10 more Failed to start grid: Can not create a Path from an empty string <<<<<END What does the exception "Can not create path from empty string" mean? In what case will it occur? Please advise me. Thanks, Takashi
