Hi,

I am trying to upgrade from Solr 3.5 to Solr 4.0.
I read the following in the example solrconfig:

 <!-- maxFieldLength was removed in 4.0. To get similar behavior, include a
         LimitTokenCountFilterFactory in your fieldType definition. E.g.
     <filter class="solr.LimitTokenCountFilterFactory" maxTokenCount="10000"/>
    -->

I tried that as follows:

...
<fieldType name="textgen" class="solr.TextField" positionIncrementGap="100">
      <analyzer type="index">
        <tokenizer class="solr.StandardTokenizerFactory"/>
        <filter class="solr.LimitTokenCountFilterFactory"
maxTokenCount="100000"/>
        <filter class="solr.WordDelimiterFilterFactory"
generateWordParts="1" generateNumberParts="1" catenateWords="0"
catenateNumbers="0" catenateAll="0" splitOnCaseChange="0"/>
        <filter class="solr.LowerCaseFilterFactory"/>
        <filter class="solr.SnowballPorterFilterFactory" language="German"
/>
        <filter class="solr.StopFilterFactory" ignoreCase="true"
words="stopwords.txt" enablePositionIncrements="true" />
        <filter class="solr.RemoveDuplicatesTokenFilterFactory" />
      </analyzer>
...

The LimitTokenCountFilterFactory configured like that crashes the startup
of the corresponding core with the following exception (without the Factory
the core startup works):


17.10.2012 17:44:19 org.apache.solr.common.SolrException log
SCHWERWIEGEND: null:org.apache.solr.common.SolrException: Plugin init
failure for [schema.xml] fieldType "textgen": Plugin init failure for
[schema.xml] analyze
r/filter: null
        at
org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:177)
        at
org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:369)
        at org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:113)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:846)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:534)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:356)
        at
org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:308)
        at
org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:107)
        at
org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
        at
org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
        at
org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
        at
org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
        at
org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4638)
        at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
        at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
        at
org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
        at
org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1581)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.solr.common.SolrException: Plugin init failure for
[schema.xml] analyzer/filter: null
        at
org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:177)
        at
org.apache.solr.schema.FieldTypePluginLoader.readAnalyzer(FieldTypePluginLoader.java:377)
        at
org.apache.solr.schema.FieldTypePluginLoader.create(FieldTypePluginLoader.java:95)
        at
org.apache.solr.schema.FieldTypePluginLoader.create(FieldTypePluginLoader.java:43)
        at
org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:151)
        ... 25 more
Caused by: java.lang.NumberFormatException: null
        at java.lang.Integer.parseInt(Integer.java:417)
        at java.lang.Integer.parseInt(Integer.java:499)
        at
org.apache.lucene.analysis.miscellaneous.LimitTokenCountFilterFactory.init(LimitTokenCountFilterFactory.java:48)
        at
org.apache.solr.schema.FieldTypePluginLoader$3.init(FieldTypePluginLoader.java:367)
        at
org.apache.solr.schema.FieldTypePluginLoader$3.init(FieldTypePluginLoader.java:358)
        at
org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:159)
        ... 29 more

Any ideas?

Best
Dirk

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