https://issues.apache.org/jira/browse/SOLR-13963
I'll see about modifying the test I have to fit in with the existing tests, and if there's a better option then open to whatever On Sat, 23 Nov 2019 at 16:43, Colvin Cowie <colvin.cowie....@gmail.com> wrote: > I've found the problem, JavaBinCodec has a CharArr,* arr*, which is > modified in two different locations, but only one of which is protected > with a synchronized block > > getStringProvider(), which is used when you call getValue() rather than > getRawValue() on the string based SolrInputFields, synchronizes: > > https://github.com/apache/lucene-solr/blob/master/solr/solrj/src/java/org/apache/solr/common/util/JavaBinCodec.java#L966 > but _readStr() doesn't: > > https://github.com/apache/lucene-solr/blob/master/solr/solrj/src/java/org/apache/solr/common/util/JavaBinCodec.java#L930 > > Adding a synchronized block into _readStr() fixes the problem. At least as > far as my test goes. > > I'll raise a JIRA issue and can provide a patch with the synchronized > block, but not sure what test(s) should be updated / added to cover this? > > > > On Thu, 21 Nov 2019 at 18:23, Colvin Cowie <colvin.cowie....@gmail.com> > wrote: > >> *> the difference is because the _default config has the dynamic schema >> building in it, which I assume is pushing it down a different code path. * >> >> Also to add to that, I assumed initially that this just meant that it was >> working because the corrupted field names would just cause it to create a >> field with the dodgy name (since that's the idea for the dynamic schema), >> but checking the documents on retrieval showed they all had the right field >> names... >> So I assume it's a result of going into a different branch of code >> instead. >> >> >> On an unrelated matter, I saw this in the logs when running with embedded >> zookeeper... I don't think I've seen it mentioned anywhere else, so I will >> raise an issue for it >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *2019-11-21 17:25:14.292 INFO (main) [ ] o.a.s.c.SolrZkServer STARTING >> EMBEDDED STANDALONE ZOOKEEPER SERVER at port 99832019-11-21 17:25:14.792 >> INFO (main) [ ] o.a.s.c.ZkContainer Zookeeper >> client=localhost:99832019-11-21 17:25:18.833 WARN (Thread-13) [ ] >> o.a.z.s.a.AdminServerFactory Unable to load jetty, not starting >> JettyAdminServer => java.lang.NoClassDefFoundError: >> org/eclipse/jetty/server/Connector at java.lang.Class.forName0(Native >> Method)java.lang.NoClassDefFoundError: org/eclipse/jetty/server/Connector >> at java.lang.Class.forName0(Native Method) ~[?:1.8.0_191] at >> java.lang.Class.forName(Class.java:264) ~[?:1.8.0_191] at >> org.apache.zookeeper.server.admin.AdminServerFactory.createAdminServer(AdminServerFactory.java:43) >> ~[?:?] at >> org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:136) >> ~[?:?] at org.apache.solr.cloud.SolrZkServer$1.run(SolrZkServer.java:121) >> ~[?:?]Caused by: java.lang.ClassNotFoundException: >> org.eclipse.jetty.server.Connector at >> org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:577) >> ~[jetty-webapp-9.4.19.v20190610.jar:9.4.19.v20190610] at >> java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_191] ... 5 >> more2019-11-21 17:25:19.365 INFO (main) [ ] o.a.s.c.c.ConnectionManager >> Waiting for client to connect to ZooKeeper2019-11-21 17:25:19.396 INFO >> (zkConnectionManagerCallback-7-thread-1) [ ] o.a.s.c.c.ConnectionManager >> zkClient has connected2019-11-21 17:25:19.396 INFO (main) [ ] >> o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper* >> >> On Thu, 21 Nov 2019 at 17:30, Colvin Cowie <colvin.cowie....@gmail.com> >> wrote: >> >>> I've been a bit snowed under, but I've found the difference is because >>> the _default config has the dynamic schema building in it, which I assume >>> is pushing it down a different code path. >>> >>> <updateRequestProcessorChain name="add-unknown-fields-to-the-schema" >>> default="${update.autoCreateFields:true}" >>> >>> >>> processor="uuid,remove-blank,field-name-mutating,parse-boolean,parse-long,parse-double,parse-date,add-schema-fields"> >>> >>> I'm using the vanilla Solr 8.3.0 binary8.3.0 >>> 2aa586909b911e66e1d8863aa89f173d69f86cd2 - ishan - 2019-10-25 23:15:22 with >>> Eclipse OpenJ9 Eclipse OpenJ9 VM 1.8.0_232 openj9-0.17.0 >>> and I've checked with Oracle Corporation Java HotSpot(TM) 64-Bit Server >>> VM 1.8.0_191 25.191-b12 as well >>> >>> I've put a testcase and configsets in Google Drive: >>> https://drive.google.com/open?id=1ibKNWvowT8cXTwSa3bcTwKYLSRNur86U >>> The configsets are a copy of the _default configset, except the >>> "problem" configset has autoCreateFields set to false. >>> I created a collection with 4 shards, replication factor 1 for each >>> configset. The test case reliably fails on the "problem" collection and >>> reliably passes against the "no_problem" collection. >>> >>> The test (well it's not actually a @Test but still) has static data >>> (though it was originally generated randomly). The data is a bit mad... but >>> it was easier to reproduce the problem reliably with this data, than with >>> the normal documents we use in our product. >>> Each document has a different (dynamically named) field to index data >>> into, but it's the same data in each field. >>> The problem only appears (or probably is just more likely to appear?) >>> when the field names in the request are of different lengths. >>> The length / value of the data doesn't appear to matter. Or is less >>> impactful than variations in the field names. >>> *If you run the test 10 times you will see a variety of different >>> errors. i.e. it's not the same error every time.* >>> I've included some examples of the errors in the Drive folder. One of >>> the most fundamental (and probably points at the root cause) is this: >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> *2019-11-21 17:02:53.720 ERROR >>> (updateExecutor-3-thread-6-processing-x:problem_collection_shard2_replica_n2 >>> r:core_node5 null n:10.0.75.1:8983_solr c:problem_collection s:shard2) >>> [c:problem_collection s:shard2 r:core_node5 >>> x:problem_collection_shard2_replica_n2] >>> o.a.s.u.ErrorReportingConcurrentUpdateSolrClient Error when calling >>> SolrCmdDistributor$Req: cmd=add{,id=(null)}; node=ForwardNode: >>> http://10.0.75.1:8983/solr/problem_collection_shard3_replica_n4/ >>> <http://10.0.75.1:8983/solr/problem_collection_shard3_replica_n4/> to >>> http://10.0.75.1:8983/solr/problem_collection_shard3_replica_n4/ >>> <http://10.0.75.1:8983/solr/problem_collection_shard3_replica_n4/> => >>> java.lang.StringIndexOutOfBoundsException at >>> java.lang.String.<init>(String.java:668)java.lang.StringIndexOutOfBoundsException: >>> null at java.lang.String.<init>(String.java:668) ~[?:1.8.0_232] at >>> org.noggit.CharArr.toString(CharArr.java:182) ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.lambda$getStringProvider$1(JavaBinCodec.java:966) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec$$Lambda$668.0000000000000000.apply(Unknown >>> Source) ~[?:?] at >>> org.apache.solr.common.util.ByteArrayUtf8CharSequence._getStr(ByteArrayUtf8CharSequence.java:156) >>> ~[?:?] at >>> org.apache.solr.common.util.ByteArrayUtf8CharSequence.toString(ByteArrayUtf8CharSequence.java:235) >>> ~[?:?] at >>> org.apache.solr.common.util.ByteArrayUtf8CharSequence.convertCharSeq(ByteArrayUtf8CharSequence.java:215) >>> ~[?:?] at >>> org.apache.solr.common.SolrInputField.getValue(SolrInputField.java:128) >>> ~[?:?] at >>> org.apache.solr.common.SolrInputDocument.lambda$writeMap$0(SolrInputDocument.java:55) >>> ~[?:?] at >>> org.apache.solr.common.SolrInputDocument$$Lambda$743.000000002774E7B0.accept(Unknown >>> Source) ~[?:?] at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) >>> ~[?:1.8.0_232] at >>> org.apache.solr.common.SolrInputDocument.writeMap(SolrInputDocument.java:59) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeSolrInputDocument(JavaBinCodec.java:658) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:383) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeMapEntry(JavaBinCodec.java:813) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:411) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:750) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:395) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeNamedList(JavaBinCodec.java:248) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:355) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253) >>> ~[?:?] at >>> org.apache.solr.common.util.JavaBinCodec.marshal(JavaBinCodec.java:167) >>> ~[?:?] at >>> org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.marshal(JavaBinUpdateRequestCodec.java:102) >>> ~[?:?] at >>> org.apache.solr.client.solrj.impl.BinaryRequestWriter.write(BinaryRequestWriter.java:83) >>> ~[?:?] at >>> org.apache.solr.client.solrj.impl.Http2SolrClient.send(Http2SolrClient.java:340) >>> ~[?:?] at >>> org.apache.solr.client.solrj.impl.ConcurrentUpdateHttp2SolrClient$Runner.sendUpdateStream(ConcurrentUpdateHttp2SolrClient.java:231) >>> ~[?:?]* >>> >>> And >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> *java.lang.StringIndexOutOfBoundsException: String index out of range: >>> 39 at java.lang.String.<init>(String.java:205) at >>> org.noggit.CharArr.toString(CharArr.java:182) at >>> org.apache.solr.common.util.JavaBinCodec._readStr(JavaBinCodec.java:929) at >>> org.apache.solr.common.util.JavaBinCodec.readStr(JavaBinCodec.java:918) at >>> org.apache.solr.common.util.JavaBinCodec.readExternString(JavaBinCodec.java:1194) >>> at >>> org.apache.solr.common.util.JavaBinCodec.readObject(JavaBinCodec.java:303) >>> at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:281) >>> at >>> org.apache.solr.common.util.JavaBinCodec.readSolrInputDocument(JavaBinCodec.java:625) >>> at >>> org.apache.solr.common.util.JavaBinCodec.readObject(JavaBinCodec.java:340) >>> at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:281) >>> at >>> org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$StreamingCodec.readOuterMostDocIterator(JavaBinUpdateRequestCodec.java:321)* >>> >>> *...* >>> >>> Sometimes the indexing will succeed because of the nature of the dynamic >>> field, but retrieving the documents show that the field names have been >>> corrupted: >>> Exception in thread "main" java.lang.IllegalStateException: Doc 224 does >>> not have field *name_wmJmiiWghggUHmNiQAg_prop_s* it has [id, >>> *SomebodymiiWghggUHmNiQAg_prop_s*, _version_] >>> Which is a concatenation of the data value "Somebody" from some record, >>> and part of the actual field name *name_wmJ**miiWghggUHmNiQAg_prop_s * >>> >>> On Thu, 21 Nov 2019 at 13:16, Jason Gerlowski <gerlowsk...@gmail.com> >>> wrote: >>> >>>> Very curious what the config change that's related to reproducing this >>>> looks like. Maybe it's something that is worth adding >>>> test-randomization around? Just thinking aloud. >>>> >>>