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01.04.2025
07:59
Michał Adamowicz
SOLR problems

Hi, we've been having problems with SOLR lately.

Yesterday indexing got completely blocked and started throwing two messages in the service statuses:
1.
SolrNet
Category: Exception
Role: SolrIndexer
SolrNet.Exceptions.SolrConnectionException: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/solr/BPS_Activities/update</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>default</td></tr>
</table>

</body>
</html>

at SolrNet.Impl.AutoSolrConnection.<PostStreamAsStreamAsync>d__27.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SolrNet.Impl.AutoSolrConnection.<PostAsync>d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SolrNet.Impl.LowLevelSolrServer.<SendAndParseHeaderAsync>d__8.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.IndexActivityStepWithoutCommit.<<ProcessAsync>b__7_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.SolrThreadAttempter.<MakeAttemptAsync>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at WebCon.WorkFlow.Service.SolrIndexer.Steps.SolrThreadAttempter.<MakeAttemptsAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.IndexActivityStepWithoutCommit.<ProcessAsync>d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<>c__DisplayClass5_0.<<ExecuteProcessAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ExecuteWithLogAsync>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ExecuteProcessAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ProcessStepsAsync>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrIndexerInnerProcessor.<ProcessAsync>d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<>c__DisplayClass3_0.<<ProcessAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Activities.Activity.<RunInnerAsync>d__41.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Activities.Activity.<RunAsync>d__42.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<ProcessAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<>c__DisplayClass2_0.<<RunAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Logging.SolrLoggingContext.<LogProcessAsync>d__8.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<RunAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Queues.Processors.ProcessorBase`1.<ContextActionAsync>d__40.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Queues.Processors.ProcessorBase`1.<ProcessingThreadActionAsync>d__39.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Queues.Processors.ProcessorBase`1.<ThreadActionAsync>d__38.MoveNext()


2.
SOLR indexing failed
Category: Exception
Role: SolrIndexer
Whole process duration: 0,01s. Elements: 0, attachments: 0 (with content: 0, corrupted: 0).

Batch size: 500
Solr connection lost: 0
Exception at ID: 753178

SolrNet.Exceptions.SolrConnectionException: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/solr/BPS_Activities/update</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>default</td></tr>
</table>

</body>
</html>

at SolrNet.Impl.AutoSolrConnection.<PostStreamAsStreamAsync>d__27.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SolrNet.Impl.AutoSolrConnection.<PostAsync>d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SolrNet.Impl.LowLevelSolrServer.<SendAndParseHeaderAsync>d__8.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.IndexActivityStepWithoutCommit.<<ProcessAsync>b__7_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.SolrThreadAttempter.<MakeAttemptAsync>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at WebCon.WorkFlow.Service.SolrIndexer.Steps.SolrThreadAttempter.<MakeAttemptsAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.IndexActivityStepWithoutCommit.<ProcessAsync>d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<>c__DisplayClass5_0.<<ExecuteProcessAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ExecuteWithLogAsync>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ExecuteProcessAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ProcessStepsAsync>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrIndexerInnerProcessor.<ProcessAsync>d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<>c__DisplayClass3_0.<<ProcessAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Activities.Activity.<RunInnerAsync>d__41.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.Activities.Activity.<RunAsync>d__42.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<ProcessAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.ActivityExecutors.QueueActivityExecutors.SolrIndexerActivityExecutor.<>c__DisplayClass2_0.<<RunAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Logging.SolrLoggingContext.<LogProcessAsync>d__8.MoveNext()
(31.03.2025 20:02:39) 'Deserialize activity model entity kept in the queue element' started.
(31.03.2025 20:02:39) 'Deserialize activity model entity kept in the queue element' completed in 0,00s.
(31.03.2025 20:02:39) 'Log currently processed SOLR activity indexation operation' started.
(31.03.2025 20:02:39) Indexing activity: saved instance ID: 753178.
(31.03.2025 20:02:39) 'Log currently processed SOLR activity indexation operation' completed in 0,00s.
(31.03.2025 20:02:39) 'Index BPS activity step' started.
(31.03.2025 20:02:39) 'Index BPS activity step' completed in 13,00s.
Exception at ID: 753178
Error occurred: SolrNet.Exceptions.SolrConnectionException: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/solr/BPS_Activities/update</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>default</td></tr>
</table>

</body>
</html>

at SolrNet.Impl.AutoSolrConnection.<PostStreamAsStreamAsync>d__27.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SolrNet.Impl.AutoSolrConnection.<PostAsync>d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SolrNet.Impl.LowLevelSolrServer.<SendAndParseHeaderAsync>d__8.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.IndexActivityStepWithoutCommit.<<ProcessAsync>b__7_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.SolrThreadAttempter.<MakeAttemptAsync>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at WebCon.WorkFlow.Service.SolrIndexer.Steps.SolrThreadAttempter.<MakeAttemptsAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Steps.IndexActivityStepWithoutCommit.<ProcessAsync>d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<>c__DisplayClass5_0.<<ExecuteProcessAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ExecuteWithLogAsync>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at WebCon.WorkFlow.Service.SolrIndexer.Processors.SolrPipeline.<ExecuteProcessAsync>d__5.MoveNext()


at that time SOLR was working, I could enter Solr Admin-UI.


anyone had something similar?

Reply  
Solution (0) Helpful (0) Wrong answer (0)
31.03.2025
13:26
Bartek S
API, starting new element with a ChoiceField, InvalidFieldData
In reply to: Raluca-Mirabela Lupu

Hi,
Do you have a dictionary data source associated with choicefield?
If you have a dictionary, are you giving the api permission to see the data?

Thanks,
Raluca

Thank you for your help.

The svalues were passed correctly, as I was using body of existing element fetched with GET request.
Thanks to you it turned out, that I did not grant access to the process being the source of options for the ChoicePicker.
That missing permission was surprising. I was quite used to the fact, that I can create element with body coming from GET.

Solution (0) Helpful (0) Wrong answer (0)
30.03.2025
19:15
MVP
Daniel Krüger (Cosmo Consult)
Platform compatibility 2026 R1: Searching structures Removed - Who is using it?

Hi,

will there be an alternative to the current option the "Searching structures" offers in 2026?
https://community.webcon.com/posts/post/platform-compatibility-roadmap/236/10

This is one feature I'm using on a regular basis. Either when I'm creating a new application and I don't want to bother with reports at this point in time or when doing support in production environments.


Am I'm the only one who is using it?


Best regards,
Daniel

Reply  
Solution (0) Helpful (0) Wrong answer (0)
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