Hi all,
one problem at a time, we're approaching the solution, I'm confident
about this! :-)
You were terribly right: I deleted the .m2/repository/com/sun/jersey
folder, and tried to install the project again, and this time the build
was successful.
But today it's a rainy day, and if I try to launch scala with the command:
mvn scala:run -Dlauncher=Indexer
I obtain a BUILD ERROR.
Attached is the output.
I also tried with simply mvn scala:run, but the error is the same.
I specified the index path in the file default_index_path with:
/media/Iomega500/dbpedia-dump/dbpedia-lookup/network/www5/dbpedia-lookup/lookup_index/
cheers,
roberto
Il 16/04/2012 17:28, Jona Christopher Sahnwaldt ha scritto:
Hi Roberto,
I don't know what's going on, but this line at the end of your error
message is weird:
Not a v4.0.0 POM. for project com.sun.jersey:jersey-project at
/home/roberto/.m2/repository/com/sun/jersey/jersey-project/1.5/jersey-project-1.5.pom
I would suggest you delete your local repository
/home/roberto/.m2/repository/ and start again. Sometimes Maven
downloads a broken pom from some repo, and deleting the local repo
often helps. The next build will take a few minutes because it has to
download all JARs again, but maybe that will fix the problem. If not,
send us the maven output again and we'll see what we can do.
Cheers,
Christopher
On Mon, Apr 16, 2012 at 17:06, Roberto Mirizzi
<roberto.miri...@gmail.com> wrote:
Thank you!
I'm trying to install the DBpedia Lookup Service.
However, when i try to install with maven:
mvn clean install
I get the following error:
"Project ID: null:jersey-server:bundle:null
Reason: Cannot find parent: com.sun.jersey:jersey-project for project:
null:jersey-server:bundle:null for project null:jersey-server:bundle:null"
Attached you can find the output produced by the commadn mvn -e clean
install.
Any ideas?
thanks,
roberto
Il 15/04/2012 23:14, Jona Christopher Sahnwaldt ha scritto:
Hi there,
I just added a shell script to dbpedia lookup that makes using mvn
more convenient. If you'e on UN*X, you can type
./run Indexer
instead of
mvn scala:run -Dlauncher=Indexer
and
./run Indexer indexDir redirectsFile data
instead of
mvn scala:run -Dlauncher=Indexer "-DaddArgs= indexDir|redirectsFile|data"
Not a big deal, but quite nice. Tested with bash, may also work with
other shells.
Sorry, no Windows version yet. If anyone is good with Windows batch
files, such a script for Windows would be welcome!
Cheers,
JC
On Sun, Apr 15, 2012 at 22:56, Pablo Mendes<pablomen...@gmail.com> wrote:
Hi Roberto,
Thanks for your offer.
You can clone it with mercurial and then build it with maven2
hg clone http://dbpedia.hg.sourceforge.net:8000/hgroot/dbpedia/lookup
mvn clean install
You can download the necessary index from here:
http://spotlight.dbpedia.org/download/lookup_index.tgz
Then you can just run the server:
mvn scala:run -Dlauncher=Indexer
To create the necessary index, you can run:
mvn scala:run -Dlauncher=Indexer "-DaddArgs= indexDir|redirectsFile|data"
indexDir is the output directory that will hold the searchable structures
redirectsFile is the homonymous dbpedia data set
data is a collection of files with the properties you want to index.
I have never run this myself, but it seems from reading source code [1]
that
it uses at least the lexicalization dataset, categories, abstracts and
instance types. If you manage to run this, would you be so kind to update
the documentation at the wiki?
http://wiki.dbpedia.org/lookup/install
Cheers,
Pablo
[1]
http://dbpedia.hg.sourceforge.net/hgweb/dbpedia/lookup/file/475a32257232/src/main/scala/org/dbpedia/lookup/util/DBpedia2Lucene.scala
On Sun, Apr 15, 2012 at 8:39 PM, Roberto
Mirizzi<roberto.miri...@gmail.com>
wrote:
Il 15/04/2012 20.24, Pablo Mendes ha scritto:
It seems to have gotten too popular. :)
We have been trying to shift resources around, as many of our servers
are
a bit under pressure. Hopefully we'll manage to find a solution soon.
I'd recommend considering hosting your own mirror if you're using it as
an
effective part of an application, rather than for testing out some
prototype.
I'd be happy to host a mirror by my own, we have already loaded the
DBpedia dumps on Virtuoso. Where could I find the source code or some
hints
to set a mirror for the wonderful lookup service? Here [1] there's not
so
much information about it.
[1] http://dbpedia.org/lookup
cheers,
roberto
Cheers,
Pablo
On Sun, Apr 15, 2012 at 8:06 PM, Roberto Mirizzi
<roberto.miri...@gmail.com> wrote:
Why is it so slow in providing results (20, 30 seconds and more)? :-(
Last time I used it, it was great...
cheers,
roberto
Il 21/03/2012 16.53, Pablo Mendes ha scritto:
Thanks for the report. It's restarting.
On Wed, Mar 21, 2012 at 4:31 PM, Nemanja Vukosavljevic
<nemanja.vukosavlje...@gmail.com> wrote:
Hi guys,
It looks like that Dbpedia lookup service is down but only the Keyword
Search API. It gives back HTTP 500 error. On the other hand, Prefix
Search
API works like a charm.
Cheers,
Nemanja
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+ Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building DBpedia Lookup Service
[INFO] task-segment: [scala:run]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing scala:run
[INFO] [install:install-file {execution: install-nx-parser-jar}]
[INFO] Installing /home/roberto/dbpedia-lookup/lookup/lib/nxparser-1.1.jar to
/home/roberto/.m2/repository/org/semanticweb/yars/nx-parser/1.1/nx-parser-1.1.jar
[INFO] [scala:compile {execution: process-resources}]
[INFO] Checking for multiple versions of scala
[INFO] includes = [**/*.scala,**/*.java,]
[INFO] excludes = []
[INFO] Nothing to compile - all classes are up to date
[INFO] [scala:compile {execution: compile}]
[INFO] Checking for multiple versions of scala
[INFO] includes = [**/*.scala,**/*.java,]
[INFO] excludes = []
[INFO] Nothing to compile - all classes are up to date
[INFO] [scala:testCompile {execution: test-compile}]
[INFO] Checking for multiple versions of scala
[INFO] includes = [**/*.scala,**/*.java,]
[INFO] excludes = []
[WARNING] No source files found.
[INFO] [scala:run {execution: default-cli}]
[INFO] Checking for multiple versions of scala
[INFO] launcher 'Indexer' selected => org.dbpedia.lookup.lucene.Indexer
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org_scala_tools_maven_executions.MainHelper.runMain(MainHelper.java:161)
at
org_scala_tools_maven_executions.MainWithArgsInFile.main(MainWithArgsInFile.java:26)
Caused by: java.util.NoSuchElementException
at scala.collection.IterableLike$class.head(IterableLike.scala:101)
at
scala.collection.mutable.ArrayOps.scala$collection$IndexedSeqOptimized$$super$head(ArrayOps.scala:34)
at
scala.collection.IndexedSeqOptimized$class.head(IndexedSeqOptimized.scala:130)
at scala.collection.mutable.ArrayOps.head(ArrayOps.scala:34)
at org.dbpedia.lookup.lucene.Indexer$.main(Indexer.scala:113)
at org.dbpedia.lookup.lucene.Indexer.main(Indexer.scala)
... 6 more
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] wrap: org.apache.commons.exec.ExecuteException: Process exited with an
error: 240(Exit value: 240)
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: wrap:
org.apache.commons.exec.ExecuteException: Process exited with an error:
240(Exit value: 240)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.plugin.MojoExecutionException: wrap:
org.apache.commons.exec.ExecuteException: Process exited with an error:
240(Exit value: 240)
at
org_scala_tools_maven.ScalaMojoSupport.execute(ScalaMojoSupport.java:350)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
... 17 more
Caused by: org.apache.commons.exec.ExecuteException: Process exited with an
error: 240(Exit value: 240)
at
org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:346)
at
org.apache.commons.exec.DefaultExecutor.execute(DefaultExecutor.java:149)
at
org.apache.commons.exec.DefaultExecutor.execute(DefaultExecutor.java:136)
at
org_scala_tools_maven_executions.JavaMainCallerByFork.run(JavaMainCallerByFork.java:80)
at
org_scala_tools_maven_executions.JavaMainCallerSupport.run(JavaMainCallerSupport.java:96)
at org_scala_tools_maven.ScalaRunMojo.doExecute(ScalaRunMojo.java:105)
at
org_scala_tools_maven.ScalaMojoSupport.execute(ScalaMojoSupport.java:342)
... 19 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4 seconds
[INFO] Finished at: Mon Apr 16 18:32:20 CEST 2012
[INFO] Final Memory: 20M/608M
[INFO] ------------------------------------------------------------------------
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