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Chris M. Hostetter (@hossman) ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-5471?focusedCommentId=13912083&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13912083)) > null if the resource could not be found or the invoker doesn't have adequate privileges to get the resource. Grr... yeah, i...

Uwe Schindler (@uschindler) ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-5471?focusedCommentId=13912089&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13912089)) I thought about that, too. Question is: What privilege is needed to do this? The problem is: depending on the ClassLoader we may see...

Richard N. Hillegas ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-5471?focusedCommentId=13914731&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13914731)) Thanks for the help and the discussion so far, Hoss and Uwe. Attaching a second rev of the SecureLucene test program. This version pares...

Richard N. Hillegas ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-5471?focusedCommentId=13917204&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13917204)) Attaching a third version of SecureLucene.java. I have wrapped a privilege block around the application's Lucene calls and pruned some more permissions. This significantly...

Xin-Chun Zhang ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-9136?focusedCommentId=17019507&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17019507)) I worked on this issue for about three to four days. And it now works fine for searching. My personal dev branch is available in...

Julie Tibshirani (@jtibshirani) ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-9136?focusedCommentId=17037325&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17037325)) Hello Xin-Chun Zhang, to me this looks like a really interesting direction! We also found in our research that k-means clustering (IVFFlat) could achieve...

Julie Tibshirani (@jtibshirani) ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-9136?focusedCommentId=17050663&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17050663)) Hello Xin-Chun Zhang, thanks for the updates and for trying out the idea. I was thinking we could actually reuse the existing `PostingsFormat` and...

Tomoko Uchida (@mocobeta) ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-9136?focusedCommentId=17050924&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17050924)) @jtibshirani Xin-Chun Zhang thanks for your hard work here! > I was thinking we could actually reuse the existing `PostingsFormat` and `DocValuesFormat` implementations\. Actually...

Julie Tibshirani (@jtibshirani) ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-9136?focusedCommentId=17052614&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17052614)) Hello @mocobeta! My explanation before was way too brief, I'm still getting used to the joint JIRA/ GitHub set-up :) I'll give more context...

Xin-Chun Zhang ([migrated from JIRA](https://issues.apache.org/jira/browse/LUCENE-9136?focusedCommentId=17052727&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17052727)) Hi, @jtibshirani, thanks for you excellent work! I was thinking we could actually reuse the existing `PostingsFormat` and `DocValuesFormat` implementations. Yes, the codes could be...