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From Markus Jelsma <markus.jel...@buyways.nl>
Subject CouchDB-Lucene, getting it running
Date Tue, 19 Jan 2010 22:26:57 GMT
Hello,

 

 

I have some failed attempts in getting it all up and running. I have tried the following:

 

1. Using the couchdb-lucene-0.4-jar-with-dependencies.jar.gz file

Getting it running didn't do the job, the readme's on github mention a bin/run which i don't
seem to find, the same goes for the external python program. Nevertheless, i did get it running
by using the following CouchDB configuration:

 

[external] fti=/usr/bin/java -Dcouchdb.lucene.dir=/var/lib/couchdb-lucene -jar /usr/local/lib/couchdb/lucene/couchdb-lucene-0.4-jar-with-dependencies.jar
-search [update_notification] indexer=/usr/bin/java -Dcouchdb.lucene.dir=/var/lib/couchdb-lucene
-jar /usr/local/lib/couchdb/lucene/couchdb-lucene-0.4-jar-with-dependencies.jar -index [httpd_db_handlers]
_fti = {couch_httpd_external, handle_external_req, <<"fti">>} 

Of course the data directory was writable. It did, however, fail in the end but Java was taking
CPU time for sure but it never wrote a single byte anywhere. Issuing a query returned a CoucDB-Lucene
not available error, which comes from http://github.com/rnewson/couchdb-lucene/blob/b258c33c956126a130d2b90effc106668f54879e/src/main/java/com/github/rnewson/couchdb/lucene/Search.java

 

 

 

The second attempt was with Maven following the readme on the github (after i cleaned the
previous mess), but different approaches and sources (either cloning with git or the 0.4 tgz)
failed as well with Maven spitting out the following messages:

 

 

 

[INFO] [compiler:compile {execution: default-compile}]                                                                               

[INFO] Compiling 17 source files to /usr/local/lib/couchdb-lucene/rnewson-couchdb-lucene-e0d8130/target/classes                      

[INFO] [resources:testResources {execution: default-testResources}]                                                                  

[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build
is platform dependent!                      
[INFO] Copying 14 resources                                                                                                          

[INFO] [compiler:testCompile {execution: default-testCompile}]                                                                       

[INFO] Compiling 5 source files to /usr/local/lib/couchdb-lucene/rnewson-couchdb-lucene-e0d8130/target/test-classes                  

[INFO] [surefire:test {execution: default-test}]                                                                                     

[INFO] Surefire report directory: /usr/local/lib/couchdb-lucene/rnewson-couchdb-lucene-e0d8130/target/surefire-reports               

org.apache.maven.surefire.booter.SurefireExecutionException: Unable to create test class 'org.apache.nutch.analysis.lang.LanguageIdentifierTest';
nested exception is java.lang.ClassNotFoundException: org.apache.nutch.analysis.lang.LanguageIdentifierTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooterc2s5jv.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}; nested exception is org.apache.maven.surefire.testset.TestSetFailedException:
Unable to create test class 'org.apache.nutch.analysis.lang.LanguageIdentifierTest'; nested
exception is java.lang.ClassNotFoundException: org.apache.nutch.analysis.lang.LanguageIdentifierTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooterc2s5jv.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}                                                                                                         

org.apache.maven.surefire.testset.TestSetFailedException: Unable to create test class 'org.apache.nutch.analysis.lang.LanguageIdentifierTest';
nested exception is java.lang.ClassNotFoundException: org.apache.nutch.analysis.lang.LanguageIdentifierTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooterc2s5jv.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}                                                                                                                                    

java.lang.ClassNotFoundException: org.apache.nutch.analysis.lang.LanguageIdentifierTest not
found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooterc2s5jv.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[],
parent=null}}                          
   at java.net.URLClassLoader.findClass(libgcj.so.10)                                                                                 

   at gnu.gcj.runtime.SystemClassLoader.findClass(libgcj.so.10)                                                                       

   at java.lang.ClassLoader.loadClass(libgcj.so.10)                                                                                   

   at java.lang.ClassLoader.loadClass(libgcj.so.10)                                                                                   

   at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.locateTestSets(AbstractDirectoryTestSuite.java:87)                   

   at org.apache.maven.surefire.Surefire.createSuiteFromDefinition(Surefire.java:209)                                                 

   at org.apache.maven.surefire.Surefire.run(Surefire.java:156)                                                                       

   at java.lang.reflect.Method.invoke(libgcj.so.10)                                                                                   

   at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
   at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
 

 

 

 

Or:

 

 

 

[INFO] Scanning for projects...                    
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD FAILURE                                                         

[INFO] ------------------------------------------------------------------------
[INFO]                                                                        


You must specify at least one goal or lifecycle phase to perform build steps.
The following list illustrates some commonly used build commands:            

  mvn clean
    Deletes any build output (e.g. class files or JARs).
  mvn test                                             

    Runs the unit tests for the project.                
  mvn install                                          

    Copies the project artifacts into your local repository.
  mvn deploy                                               

    Copies the project artifacts into the remote repository.
  mvn site                                                 

    Creates project documentation (e.g. reports or Javadoc).

Please see
http://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html
for a complete description of available lifecycle phases.

 

 

 

Or:

 

 

 

[INFO] Scanning for projects...                                                                                                

[INFO] ------------------------------------------------------------------------                                                

[INFO] Building CouchDB Lucene                                                                                                 

[INFO]    task-segment: [assembly:assembly] (aggregator-style)                                                                 

[INFO] ------------------------------------------------------------------------                                                

[INFO] Preparing assembly:assembly                                                                                             

[INFO] ------------------------------------------------------------------------                                                

[INFO] Building CouchDB Lucene                                                                                                 

[INFO] ------------------------------------------------------------------------                                                

[INFO] [resources:resources {execution: default-resources}]                                                                    

[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build
is platform dependent!                
[INFO] skip non existing resourceDirectory /usr/local/lib/couchdb-lucene/src/main/resources                                    

[INFO] [compiler:compile {execution: default-compile}]                                                                         

[INFO] Compiling 29 source files to /usr/local/lib/couchdb-lucene/target/classes                                               

[INFO] [resources:testResources {execution: default-testResources}]                                                            

[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build
is platform dependent!                
[INFO] Copying 4 resources                                                                                                     

[INFO] [compiler:testCompile {execution: default-testCompile}]                                                                 

[INFO] Compiling 5 source files to /usr/local/lib/couchdb-lucene/target/test-classes                                           

[INFO] [surefire:test {execution: default-test}]                                                                               

[INFO] Surefire report directory: /usr/local/lib/couchdb-lucene/target/surefire-reports                                        

org.apache.maven.surefire.booter.SurefireExecutionException: Unable to create test class 'com.github.rnewson.couchdb.lucene.CustomQueryParserTest';
nested exception is java.lang.ClassNotFoundException: com.github.rnewson.couchdb.lucene.CustomQueryParserTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooter5e47ab.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}; nested exception is org.apache.maven.surefire.testset.TestSetFailedException:
Unable to create test class 'com.github.rnewson.couchdb.lucene.CustomQueryParserTest'; nested
exception is java.lang.ClassNotFoundException: com.github.rnewson.couchdb.lucene.CustomQueryParserTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooter5e47ab.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}                                                                                                 

org.apache.maven.surefire.testset.TestSetFailedException: Unable to create test class 'com.github.rnewson.couchdb.lucene.CustomQueryParserTest';
nested exception is java.lang.ClassNotFoundException: com.github.rnewson.couchdb.lucene.CustomQueryParserTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooter5e47ab.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}                                                                                                                                

java.lang.ClassNotFoundException: com.github.rnewson.couchdb.lucene.CustomQueryParserTest
not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/tmp/surefirebooter5e47ab.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}                       

   at java.net.URLClassLoader.findClass(libgcj.so.10)                                                                                 

   at gnu.gcj.runtime.SystemClassLoader.findClass(libgcj.so.10)                                                                       

   at java.lang.ClassLoader.loadClass(libgcj.so.10)                                                                                   

   at java.lang.ClassLoader.loadClass(libgcj.so.10)                                                                                   

   at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.locateTestSets(AbstractDirectoryTestSuite.java:87)                   

   at org.apache.maven.surefire.Surefire.createSuiteFromDefinition(Surefire.java:209)                                                 

   at org.apache.maven.surefire.Surefire.run(Surefire.java:156)                                                                       

   at java.lang.reflect.Method.invoke(libgcj.so.10)                                                                                   

   at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)                                     

   at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)   


 

 

 

Maven told me to look for /usr/local/lib/couchdb-lucene/rnewson-couchdb-lucene-e0d8130/target/surefire-reports
for the individual test results, but, how typical, that file doesn't exist! The classes and
test-classes directories, however, where present.

 

This machine is running the latest Ubuntu and already has working CouchDB and Solr instances
happily running. I therefore assumed installing Maven2 using apt-get install maven2 would
do the job on a fresh cloned checkout:
1.	Install Maven 2.
2.	checkout repository
3.	type 'mvn'
4.	configure couchdb (see below)
Can someone please shed some light on this mystery so i and anyone else stumbling on this
thread will know how to continue the installation?
 

 

Cheers,

Mime
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