Please try to add 1 trailing slash to the secondary file system URI:
<bean class="org.apache.ignite.hadoop.fs.CachingHadoopFileSystemFactory">
<property name="uri"
value="hdfs://ip-172-31-10-72.ap-northeast-1.compute.internal:8020/"/>
</bean>
On Mon, Mar 6, 2017 at 11:13 AM, Takashi Sasaki <[email protected]>
wrote:
> 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(HadoopBasicFileSystemFactoryDe
> legate.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.IgniteHadoopIgfsSecondaryFileS
> ystem.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(HadoopBasicFileSystemFactoryDe
> legate.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.IgniteHadoopIgfsSecondaryFileS
> ystem.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
>
