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ClassCastException when connecting to ES over HTTPS #4232

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joschi opened this issue Oct 11, 2017 · 0 comments
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ClassCastException when connecting to ES over HTTPS #4232

joschi opened this issue Oct 11, 2017 · 0 comments
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@joschi
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@joschi joschi commented Oct 11, 2017

If the certificate used for Elasticsearch contains an ASN.1 DER encoded subjectAltName attribute, Apache HttpClient 4.5.3 fails to verify the hostname with the following error message:

2017-10-10T17:04:14.131-05:00 ERROR [IndexRotationThread] Uncaught exception in periodical
java.lang.ClassCastException: [B cannot be cast to java.lang.String
        at org.apache.http.conn.ssl.DefaultHostnameVerifier.getSubjectAltNames(DefaultHostnameVerifier.java:309) ~[graylog.jar:?]
        at org.apache.http.conn.ssl.DefaultHostnameVerifier.verify(DefaultHostnameVerifier.java:112) ~[graylog.jar:?]
        [...]
        at io.searchbox.client.http.JestHttpClient.executeRequest(JestHttpClient.java:147) ~[graylog.jar:?]
        at io.searchbox.client.http.JestHttpClient.execute(JestHttpClient.java:77) ~[graylog.jar:?]
        at org.graylog2.indexer.cluster.jest.JestUtils.execute(JestUtils.java:47) ~[graylog.jar:?]
        at org.graylog2.indexer.cluster.jest.JestUtils.execute(JestUtils.java:63) ~[graylog.jar:?]
        at org.graylog2.indexer.cluster.Cluster.isConnected(Cluster.java:169) ~[graylog.jar:?]
        [...]

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@joschi joschi added the bug label Oct 11, 2017
joschi pushed a commit that referenced this issue Dec 6, 2017
Jochen Schalanda
Fixes #4232
@ghost ghost assigned joschi Dec 6, 2017
@ghost ghost added the in progress label Dec 6, 2017
@bernd bernd closed this in #4400 Jan 3, 2018
bernd added a commit that referenced this issue Jan 3, 2018
Fixes #4232
@ghost ghost removed the in progress label Jan 3, 2018
bernd added a commit that referenced this issue Jan 16, 2018
Fixes #4232

(cherry picked from commit 4c957a0)
@ghost ghost assigned bernd Jan 16, 2018
joschi added a commit that referenced this issue Jan 16, 2018
Fixes #4232
Refs #4400
(cherry picked from commit 4c957a0)
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