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From Erick Erickson <erickerick...@gmail.com>
Subject Re: [jira] [Created] (SOLR-2737) I get ClassCastException when staring tomcat server (Solr configured with Suggester option enabled)
Date Thu, 01 Sep 2011 12:25:02 GMT
The way this usually works is that one of the committers
needs to pick this patch up and commit it to the repository.

To facilitate that, could you please attach the patch file
to the JIRA? There should be a "more actions" and
"attach file".

And if you could, please call the file SOLR-2737.patch

Here is the web page for reference:
http://wiki.apache.org/solr/HowToContribute#Generating_a_patch

Thanks much for doing this work!

Best
Erick

On Thu, Sep 1, 2011 at 7:00 AM, Saurabh Kumar Singh (JIRA)
<jira@apache.org> wrote:
> I get ClassCastException when staring tomcat server (Solr configured with Suggester option
enabled)
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-2737
>                 URL: https://issues.apache.org/jira/browse/SOLR-2737
>             Project: Solr
>          Issue Type: Bug
>          Components: spellchecker
>    Affects Versions: 3.3
>         Environment: Windows 7/Apache Tomcat 7/Solr 3.3/JDK 1.6
>            Reporter: Saurabh Kumar Singh
>
>
> I get the following stack trace on server startup:
>
> Aug 30, 2011 6:37:44 PM org.apache.solr.common.SolrException log
> SEVERE: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Float
>        at org.apache.solr.spelling.suggest.Suggester.init(Suggester.java:84)
>        at org.apache.solr.handler.component.SpellCheckComponent.inform(SpellCheckComponent.java:597)
>        at org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:522)
>        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:594)
>        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:463)
>        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:316)
>        at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:133)
>        at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:94)
>        at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:273)
>        at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:254)
>        at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:372)
>        at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:98)
>        at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4584)
>        at org.apache.catalina.core.StandardContext$2.call(StandardContext.java:5262)
>        at org.apache.catalina.core.StandardContext$2.call(StandardContext.java:5257)
>        at java.util.concurrent.FutureTask$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)
>
>
> Below is the patch for the fix (I did it locally. Please let me know the criteria of
how could I check-in the fix :) )
>
>  ### Eclipse Workspace Patch 1.0
> #P lucene_solr_3_3
> Index: solr/src/java/org/apache/solr/spelling/suggest/Suggester.java
> ===================================================================
> --- solr/src/java/org/apache/solr/spelling/suggest/Suggester.java       (revision
1163940)
> +++ solr/src/java/org/apache/solr/spelling/suggest/Suggester.java       (working copy)
> @@ -81,8 +81,22 @@
>   public String init(NamedList config, SolrCore core) {
>     LOG.info("init: " + config);
>     String name = super.init(config, core);
> -    threshold = config.get(THRESHOLD_TOKEN_FREQUENCY) == null ? 0.0f
> -            : (Float)config.get(THRESHOLD_TOKEN_FREQUENCY);
> +    Object tokenFrequency = config.get(THRESHOLD_TOKEN_FREQUENCY);
> +    if ( config.get(THRESHOLD_TOKEN_FREQUENCY) == null)
> +    {
> +       threshold = 0.0f;
> +    }
> +    else
> +    {
> +       if (tokenFrequency instanceof Number)
> +       {
> +               threshold = (Float)tokenFrequency;
> +       }
> +       else if(tokenFrequency instanceof String)
> +       {
> +               threshold = Float.valueOf((String)tokenFrequency);
> +       }
> +    }
>     sourceLocation = (String) config.get(LOCATION);
>     field = (String)config.get(FIELD);
>     lookupImpl = (String)config.get(LOOKUP_IMPL);
>
> --
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>
>
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