Hi everyone,

We have Windows 2022 system running Solr 9.1.1 that everyday to stop at fixed 
time 19:00 to backup, backup normally cost 10minutes. then at 20:00, start the 
application with solr.
solr installed with nssm.exe run as windows service. Start solr batch file use 
command "net start solr-svc".
Solr run on sngle machine and use cloud mode, it has "EMBEDDED STANDALONE 
ZOOKEEPER SERVER at port 9983". For every 3-4 days, Solr start failed due to 
error "o.a.s.c.SolrCore null => org.apache.solr.common.SolrException: 
java.util.concurrent.TimeoutException: Could not connect to ZooKeeper 
localhost:9983 within 30000 ms", when this error appears, about 10 minutes 
later, if system admin run same command "net start solr-svc", solr will start 
properly most of time. (if still failed, then , just wait 10mins and try to 
start solr service again.)

We checked:
[1] System has 16G physical memory, the object in Solr is around 10000, when 
the above issue happen, system has about 8G free memory, Solr has enough memory
[2] free disk space is 850G

What is possible causes and countermeasures?
I'm appreciate any though/suggestion might have about this.

2024-11-17 20:00:06.697 INFO  (main) [] o.e.j.u.log Logging initialized @5114ms 
to org.eclipse.jetty.util.log.Slf4jLog
2024-11-17 20:00:06.837 INFO  (main) [] o.e.j.s.Server jetty-9.4.48.v20220622; 
built: 2022-06-21T20:42:25.880Z; git: 6b67c5719d1f4371b33655ff2d047d24e171e49a; 
jvm 11.0.4+11-LTS
2024-11-17 20:00:07.022 INFO  (main) [] o.a.s.s.CoreContainerProvider Using 
logger factory org.apache.logging.slf4j.Log4jLoggerFactory
2024-11-17 20:00:07.028 INFO  (main) [] o.a.s.s.CoreContainerProvider  ___      
_       Welcome to Apache Solr? version 9.1.1
2024-11-17 20:00:07.029 INFO  (main) [] o.a.s.s.CoreContainerProvider / __| 
___| |_ _   Starting in cloud mode on port 8983
2024-11-17 20:00:07.029 INFO  (main) [] o.a.s.s.CoreContainerProvider \__ \/ _ 
\ | '_|  Install dir: D:\MyApplication\Solr
2024-11-17 20:00:07.029 INFO  (main) [] o.a.s.s.CoreContainerProvider 
|___/\___/_|_|    Start time: 2024-11-17T20:00:07.029303300Z
2024-11-17 20:00:07.029 INFO  (main) [] o.a.s.s.CoreContainerProvider Log level 
override, property solr.log.level=DEBUG
2024-11-17 20:00:07.041 DEBUG (main) [] o.a.s.s.CoreContainerProvider JNDI not 
configured for solr (NoInitialContextEx)
2024-11-17 20:00:07.042 INFO  (main) [] o.a.s.s.CoreContainerProvider Solr 
Home: D:\MyApplication\Solr\server\solr (source: system property: 
solr.solr.home)
2024-11-17 20:00:07.043 INFO  (main) [] o.a.s.c.SolrXmlConfig Loading solr.xml 
from D:\MyApplication\Solr\server\solr\solr.xml
2024-11-17 20:00:07.062 DEBUG (main) [] o.a.s.c.SolrResourceLoader new 
SolrResourceLoader for directory: 'D:\MyApplication\Solr\server\solr'
2024-11-17 20:00:07.095 DEBUG (main) [] o.a.s.c.SolrXmlConfig MBean server 
found: com.sun.jmx.mbeanserver.JmxMBeanServer@531f4093, but no JMX reporters 
were configured - adding default JMX reporter.
2024-11-17 20:00:07.097 DEBUG (main) [] o.a.s.c.SolrResourceLoader Adding 
'file:/D:/MyApplication/Solr/lib/README.md' to classloader
2024-11-17 20:00:07.099 INFO  (main) [] o.a.s.c.SolrResourceLoader Added 1 libs 
to classloader, from paths: [/D:/MyApplication/Solr/lib]
2024-11-17 20:00:07.100 DEBUG (main) [] o.a.s.c.SolrResourceLoader Reloading 
Lucene SPI
2024-11-17 20:00:07.254 DEBUG (main) [] o.a.s.c.CorePropertiesLocator 
Config-defined core root directory: D:\MyApplication\Solr\server\solr
2024-11-17 20:00:07.362 DEBUG (main) [] o.a.s.c.CoreContainer New CoreContainer 
1171178358
2024-11-17 20:00:07.638 DEBUG (main) [] o.a.s.c.CoreContainer Loading cores 
into CoreContainer [instanceDir=D:\MyApplication\Solr\server\solr]
2024-11-17 20:00:07.639 DEBUG (main) [] o.a.s.l.LogWatcher SLF4J impl is 
org.apache.logging.slf4j.Log4jLoggerFactory
2024-11-17 20:00:07.639 DEBUG (main) [] o.a.s.l.LogWatcher Registering Log 
Listener [Log4j2]
2024-11-17 20:00:07.664 DEBUG (main) [] o.a.s.c.s.i.Http2SolrClient Create 
Http2SolrClient with HTTP/2 transport
2024-11-17 20:00:07.679 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STOPPED} added 
{HttpClientTransportOverHTTP2@28757abd{STOPPED},AUTO}
2024-11-17 20:00:07.679 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STOPPED} added 
{org.eclipse.jetty.client.ProtocolHandlers@21a02556,POJO}
2024-11-17 20:00:07.679 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STOPPED} added 
{org.eclipse.jetty.client.HttpClient$ContentDecoderFactorySet@3c8a7e38,POJO}
2024-11-17 20:00:07.679 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STOPPED} added 
{org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0],POJO}
2024-11-17 20:00:07.679 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
HttpClient@1fd9893c{STOPPED}
2024-11-17 20:00:07.682 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STARTING} added 
{MappedByteBufferPool@6993c8df{maxQueueLength=16, factor=2048},POJO}
2024-11-17 20:00:07.682 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STARTING} added 
{ScheduledExecutorScheduler@15f35bc3{STOPPED},AUTO}
2024-11-17 20:00:07.683 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@1fd9893c{STARTING} added 
{org.eclipse.jetty.util.SocketAddressResolver$Async@53ed80d3,POJO}
2024-11-17 20:00:07.687 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
HttpClientTransportOverHTTP2@28757abd{STOPPED}
2024-11-17 20:00:07.687 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@5f631ca0{STOPPED} added 
{org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0],POJO}
2024-11-17 20:00:07.687 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@5f631ca0{STOPPED} added 
{ScheduledExecutorScheduler@15f35bc3{STOPPED},AUTO}
2024-11-17 20:00:07.687 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@5f631ca0{STOPPED} added 
{MappedByteBufferPool@6993c8df{maxQueueLength=16, factor=2048},POJO}
2024-11-17 20:00:07.687 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClientTransportOverHTTP2@28757abd{STARTING} added 
{HTTP2Client@5f631ca0{STOPPED},AUTO}
2024-11-17 20:00:07.687 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
HTTP2Client@5f631ca0{STOPPED}
2024-11-17 20:00:07.688 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@5f631ca0{STARTING} added 
{org.eclipse.jetty.http2.client.HTTP2Client$$Lambda$289/0x000000010044e840@101a461c,POJO}
2024-11-17 20:00:07.690 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@5f631ca0{STARTING} added 
{ClientSelectorManager@16a5eb6d{STOPPED},AUTO}
2024-11-17 20:00:07.690 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
ScheduledExecutorScheduler@15f35bc3{STOPPED}
2024-11-17 20:00:07.691 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6108ms ScheduledExecutorScheduler@15f35bc3{STARTED}
2024-11-17 20:00:07.691 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
ClientSelectorManager@16a5eb6d{STOPPED}
2024-11-17 20:00:07.696 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.6961328Z added 
{SelectorProducer@2740e316,POJO}
2024-11-17 20:00:07.696 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.6961328Z added 
{NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]],POJO}
2024-11-17 20:00:07.696 DEBUG (main) [] o.e.j.u.t.s.EatWhatYouKill 
EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.6961328Z created
2024-11-17 20:00:07.697 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
ManagedSelector@6a1d6ef2{STOPPED} id=0 keys=-1 selected=-1 updates=0 added 
{EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.6971293Z,MANAGED}
2024-11-17 20:00:07.697 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
ClientSelectorManager@16a5eb6d{STARTING} added 
{ManagedSelector@6a1d6ef2{STOPPED} id=0 keys=-1 selected=-1 updates=0,AUTO}
2024-11-17 20:00:07.697 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
ManagedSelector@6a1d6ef2{STOPPED} id=0 keys=-1 selected=-1 updates=0
2024-11-17 20:00:07.697 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.6971293Z
2024-11-17 20:00:07.697 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6115ms 
EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.6971293Z
2024-11-17 20:00:07.705 DEBUG (main) [] o.e.j.i.ManagedSelector Queued change 
lazy=false org.eclipse.jetty.io.ManagedSelector$Start@49e4c2d5 on 
ManagedSelector@6a1d6ef2{STARTING} id=0 keys=0 selected=0 updates=0
2024-11-17 20:00:07.705 DEBUG (httpShardExecutor-5-thread-1) [] 
o.e.j.u.t.s.EatWhatYouKill 
EatWhatYouKill@31120021/SelectorProducer@2740e316/IDLE/p=false/NoTryExecutor@5b5a4aed[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@138aa3cc[Running,
 pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.7051026Z tryProduce false
2024-11-17 20:00:07.707 DEBUG (httpShardExecutor-5-thread-1) [] 
o.e.j.i.ManagedSelector updateable 1
2024-11-17 20:00:07.707 DEBUG (httpShardExecutor-5-thread-1) [] 
o.e.j.i.ManagedSelector update 
org.eclipse.jetty.io.ManagedSelector$Start@49e4c2d5
2024-11-17 20:00:07.707 DEBUG (httpShardExecutor-5-thread-1) [] 
o.e.j.i.ManagedSelector updates 0
2024-11-17 20:00:07.707 DEBUG (httpShardExecutor-5-thread-1) [] 
o.e.j.i.ManagedSelector Selector sun.nio.ch.WindowsSelectorImpl@7a2afe2c 
waiting with 0 keys
2024-11-17 20:00:07.707 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6125ms ManagedSelector@6a1d6ef2{STARTED} id=0 keys=0 selected=0 updates=0
2024-11-17 20:00:07.707 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6125ms ClientSelectorManager@16a5eb6d{STARTED}
2024-11-17 20:00:07.707 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6125ms HTTP2Client@5f631ca0{STARTED}
2024-11-17 20:00:07.708 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@5f631ca0{STARTED} added 
{org.eclipse.jetty.http2.client.http.HttpClientTransportOverHTTP2$$Lambda$300/0x0000000100479440@3e36b7a0,POJO}
2024-11-17 20:00:07.708 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6125ms HttpClientTransportOverHTTP2@28757abd{STARTED}
2024-11-17 20:00:07.708 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6125ms HttpClient@1fd9893c{STARTED}
2024-11-17 20:00:07.712 DEBUG (main) [] o.a.s.h.c.HttpShardHandlerFactory 
created with metricNameStrategy : queryLessURLAndMethod,corePoolSize : 
0,maximumPoolSize : 2147483647,maxThreadIdleTime : 5,sizeOfQueue : 
-1,loadBalancerRequestsMinimumAbsolute : 0,loadBalancerRequestsMaximumFraction 
: 1.0,fairnessPolicy : false,connTimeout : 90000,maxConnectionsPerHost : 
100000,socketTimeout : 900000,
2024-11-17 20:00:07.807 DEBUG (main) [] o.a.s.u.UpdateShardHandler Created 
default UpdateShardHandler HTTP client with params: 
socketTimeout=900000&connTimeout=90000&maxConnections=100000&maxConnectionsPerHost=100000
2024-11-17 20:00:07.809 DEBUG (main) [] o.a.s.c.s.i.HttpClientUtil Creating new 
http client, config: 
socketTimeout=900000&connTimeout=90000&maxConnections=100000&maxConnectionsPerHost=100000
2024-11-17 20:00:07.828 DEBUG (main) [] o.a.s.c.s.i.HttpClientUtil Creating new 
http client, config: 
socketTimeout=900000&connTimeout=90000&maxConnections=100000&maxConnectionsPerHost=100000
2024-11-17 20:00:07.830 DEBUG (main) [] o.a.s.c.s.i.Http2SolrClient Create 
Http2SolrClient with HTTP/2 transport
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STOPPED} added 
{HttpClientTransportOverHTTP2@11b32a14{STOPPED},AUTO}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STOPPED} added 
{org.eclipse.jetty.client.ProtocolHandlers@1c33e528,POJO}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STOPPED} added 
{org.eclipse.jetty.client.HttpClient$ContentDecoderFactorySet@5df63359,POJO}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STOPPED} added 
{org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0],POJO}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
HttpClient@557b6a37{STOPPED}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STARTING} added 
{MappedByteBufferPool@5b39a3e6{maxQueueLength=16, factor=2048},POJO}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STARTING} added 
{ScheduledExecutorScheduler@5820070c{STOPPED},AUTO}
2024-11-17 20:00:07.830 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClient@557b6a37{STARTING} added 
{org.eclipse.jetty.util.SocketAddressResolver$Async@34208baa,POJO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
HttpClientTransportOverHTTP2@11b32a14{STOPPED}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@71370fec{STOPPED} added 
{org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0],POJO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@71370fec{STOPPED} added 
{ScheduledExecutorScheduler@5820070c{STOPPED},AUTO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@71370fec{STOPPED} added 
{MappedByteBufferPool@5b39a3e6{maxQueueLength=16, factor=2048},POJO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HttpClientTransportOverHTTP2@11b32a14{STARTING} added 
{HTTP2Client@71370fec{STOPPED},AUTO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
HTTP2Client@71370fec{STOPPED}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@71370fec{STARTING} added 
{org.eclipse.jetty.http2.client.HTTP2Client$$Lambda$289/0x000000010044e840@6707a4bf,POJO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@71370fec{STARTING} added 
{ClientSelectorManager@3fc7c734{STOPPED},AUTO}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
ScheduledExecutorScheduler@5820070c{STOPPED}
2024-11-17 20:00:07.831 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6249ms ScheduledExecutorScheduler@5820070c{STARTED}
2024-11-17 20:00:07.832 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
ClientSelectorManager@3fc7c734{STOPPED}
2024-11-17 20:00:07.832 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8322009Z added 
{SelectorProducer@460b50df,POJO}
2024-11-17 20:00:07.832 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8322009Z added 
{NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]],POJO}
2024-11-17 20:00:07.832 DEBUG (main) [] o.e.j.u.t.s.EatWhatYouKill 
EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8322009Z created
2024-11-17 20:00:07.832 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
ManagedSelector@1d0cac30{STOPPED} id=0 keys=-1 selected=-1 updates=0 added 
{EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8322009Z,MANAGED}
2024-11-17 20:00:07.833 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
ClientSelectorManager@3fc7c734{STARTING} added 
{ManagedSelector@1d0cac30{STOPPED} id=0 keys=-1 selected=-1 updates=0,AUTO}
2024-11-17 20:00:07.833 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
ManagedSelector@1d0cac30{STOPPED} id=0 keys=-1 selected=-1 updates=0
2024-11-17 20:00:07.833 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8331978Z
2024-11-17 20:00:07.833 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6251ms 
EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8331978Z
2024-11-17 20:00:07.834 DEBUG (main) [] o.e.j.i.ManagedSelector Queued change 
lazy=false org.eclipse.jetty.io.ManagedSelector$Start@5dfe23e8 on 
ManagedSelector@1d0cac30{STARTING} id=0 keys=0 selected=0 updates=0
2024-11-17 20:00:07.834 DEBUG (h2sc-7-thread-1) [] o.e.j.u.t.s.EatWhatYouKill 
EatWhatYouKill@f0a66bd/SelectorProducer@460b50df/IDLE/p=false/NoTryExecutor@1cf336fd[org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@53d2d002[Running,
 pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 
0]][pc=0,pic=0,pec=0,epc=0]@2024-11-17T20:00:07.8341942Z tryProduce false
2024-11-17 20:00:07.834 DEBUG (h2sc-7-thread-1) [] o.e.j.i.ManagedSelector 
updateable 1
2024-11-17 20:00:07.834 DEBUG (h2sc-7-thread-1) [] o.e.j.i.ManagedSelector 
update org.eclipse.jetty.io.ManagedSelector$Start@5dfe23e8
2024-11-17 20:00:07.834 DEBUG (h2sc-7-thread-1) [] o.e.j.i.ManagedSelector 
updates 0
2024-11-17 20:00:07.834 DEBUG (h2sc-7-thread-1) [] o.e.j.i.ManagedSelector 
Selector sun.nio.ch.WindowsSelectorImpl@8dbe83c waiting with 0 keys
2024-11-17 20:00:07.834 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6252ms ManagedSelector@1d0cac30{STARTED} id=0 keys=0 selected=0 updates=0
2024-11-17 20:00:07.835 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6252ms ClientSelectorManager@3fc7c734{STARTED}
2024-11-17 20:00:07.835 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6252ms HTTP2Client@71370fec{STARTED}
2024-11-17 20:00:07.835 DEBUG (main) [] o.e.j.u.c.ContainerLifeCycle 
HTTP2Client@71370fec{STARTED} added 
{org.eclipse.jetty.http2.client.http.HttpClientTransportOverHTTP2$$Lambda$300/0x0000000100479440@3e36b7a0,POJO}
2024-11-17 20:00:07.835 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6253ms HttpClientTransportOverHTTP2@11b32a14{STARTED}
2024-11-17 20:00:07.835 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@6253ms HttpClient@557b6a37{STARTED}
2024-11-17 20:00:07.835 DEBUG (main) [] o.a.s.u.UpdateShardHandler Creating 
recoveryExecutor with unbounded pool
2024-11-17 20:00:07.842 WARN  (main) [] o.a.s.u.StartupLoggingUtils Jetty 
request logging enabled. Will retain logs for last 3 days. See chapter 
"Configuring Logging" in reference guide for how to configure.
2024-11-17 20:00:07.847 INFO  (main) [] o.a.s.c.SolrZkServerProps Reading 
configuration from: D:\MyApplication\Solr\server\solr\zoo.cfg
2024-11-17 20:00:07.850 INFO  (main) [] o.a.s.c.SolrZkServer STARTING EMBEDDED 
STANDALONE ZOOKEEPER SERVER at port 9983
2024-11-17 20:00:07.850 WARN  (main) [] o.a.s.c.SolrZkServer Embedded Zookeeper 
is not recommended in production environments. See Reference Guide for details.
2024-11-17 20:00:08.350 INFO  (main) [] o.a.s.c.ZkContainer Zookeeper 
client=localhost:9983
2024-11-17 20:00:08.372 INFO  (main) [] o.a.s.c.DistributedClusterStateUpdater 
Creating DistributedClusterStateUpdater with useDistributedStateUpdate=false. 
Solr will be using Overseer based cluster state updates.
2024-11-17 20:00:08.379 DEBUG (main) [] o.a.s.c.c.ZkClientConnectionStrategy 
Attempting to load zk connection strategy 'null'
2024-11-17 20:00:08.381 DEBUG (main) [] o.a.s.c.ZkController Added new 
OnReconnect listener 
org.apache.solr.cloud.ZkController$$Lambda$321/0x00000001004f2c40@5d512ddb
2024-11-17 20:00:25.983 WARN  (embeddedZkServer) [] o.a.z.s.ServerCnxnFactory 
maxCnxns is not configured, using default value 0.
2024-11-17 20:00:26.481 INFO  (main) [] o.a.s.c.c.ConnectionManager Waiting up 
to 30000ms for client to connect to ZooKeeper
2024-11-17 20:00:37.521 WARN  (main-SendThread(localhost:9983)) [] 
o.a.z.ClientCnxn Session 0x0 for server localhost/0:0:0:0:0:0:0:1:9983, Closing 
socket connection. Attempting reconnect except it is a SessionExpiredException. 
=> java.net.ConnectException: Connection refused: no further information
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
java.net.ConnectException: Connection refused: no further information
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[?:?]
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:344)
 ~[?:?]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1282) 
~[?:?]
2024-11-17 20:00:49.666 WARN  (main-SendThread(localhost:9983)) [] 
o.a.z.ClientCnxn Session 0x0 for server localhost/0:0:0:0:0:0:0:1:9983, Closing 
socket connection. Attempting reconnect except it is a SessionExpiredException. 
=> java.net.ConnectException: Connection refused: no further information
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
java.net.ConnectException: Connection refused: no further information
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[?:?]
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:344)
 ~[?:?]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1282) 
~[?:?]
2024-11-17 20:00:52.769 WARN  (main-SendThread(localhost:9983)) [] 
o.a.z.ClientCnxn Session 0x0 for server localhost/0:0:0:0:0:0:0:1:9983, Closing 
socket connection. Attempting reconnect except it is a SessionExpiredException. 
=> java.net.ConnectException: Connection refused: no further information
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
java.net.ConnectException: Connection refused: no further information
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[?:?]
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:344)
 ~[?:?]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1282) 
~[?:?]
2024-11-17 20:00:55.873 WARN  (main-SendThread(localhost:9983)) [] 
o.a.z.ClientCnxn Session 0x0 for server localhost/0:0:0:0:0:0:0:1:9983, Closing 
socket connection. Attempting reconnect except it is a SessionExpiredException. 
=> java.net.ConnectException: Connection refused: no further information
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
java.net.ConnectException: Connection refused: no further information
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[?:?]
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:344)
 ~[?:?]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1282) 
~[?:?]
2024-11-17 20:00:57.827 DEBUG (Connection evictor) [] 
o.a.s.u.s.InstrumentedPoolingHttpClientConnectionManager Closing expired 
connections
2024-11-17 20:00:57.828 DEBUG (Connection evictor) [] 
o.a.s.u.s.InstrumentedPoolingHttpClientConnectionManager Closing expired 
connections
2024-11-17 20:00:57.829 DEBUG (Connection evictor) [] 
o.a.s.u.s.InstrumentedPoolingHttpClientConnectionManager Closing connections 
idle longer than 50000 MILLISECONDS
2024-11-17 20:00:57.829 DEBUG (Connection evictor) [] 
o.a.s.u.s.InstrumentedPoolingHttpClientConnectionManager Closing connections 
idle longer than 50000 MILLISECONDS
2024-11-17 20:00:58.979 WARN  (main-SendThread(localhost:9983)) [] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x0. => java.net.ConnectException: Connection refused: no further information
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
java.net.ConnectException: Connection refused: no further information
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[?:?]
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:344)
 ~[?:?]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1282) 
~[?:?]
2024-11-17 20:00:59.084 DEBUG (main-EventThread) [] o.a.s.c.c.SolrZkClient 
Submitting job to respond to event WatchedEvent state:Closed type:None path:null
2024-11-17 20:00:59.085 ERROR (main-EventThread) [] o.a.z.ClientCnxn Error 
while calling watcher. => java.util.concurrent.RejectedExecutionException: Task 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$299/0x000000010044c440@12196d68
 rejected from 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@571be14f[Terminated,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2055)
java.util.concurrent.RejectedExecutionException: Task 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$299/0x000000010044c440@12196d68
 rejected from 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor@571be14f[Terminated,
 pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
        at 
java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2055)
 ~[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:825) 
~[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1355) 
~[?:?]
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:252)
 ~[?:?]
        at 
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
 ~[?:?]
        at 
org.apache.solr.common.cloud.SolrZkClient$ProcessWatchWithExecutor.process(SolrZkClient.java:1019)
 ~[?:?]
        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:578) 
~[?:?]
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:553) 
~[?:?]
2024-11-17 20:00:59.087 ERROR (main) [] o.a.s.s.CoreContainerProvider Could not 
start Solr. Check solr/home property and the logs
2024-11-17 20:00:59.100 ERROR (main) [] o.a.s.c.SolrCore null => 
org.apache.solr.common.SolrException: java.util.concurrent.TimeoutException: 
Could not connect to ZooKeeper localhost:9983 within 30000 ms
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:225)
org.apache.solr.common.SolrException: java.util.concurrent.TimeoutException: 
Could not connect to ZooKeeper localhost:9983 within 30000 ms
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:225) ~[?:?]
        at org.apache.solr.cloud.ZkController.<init>(ZkController.java:395) 
~[?:?]
        at org.apache.solr.core.ZkContainer.initZooKeeper(ZkContainer.java:147) 
~[?:?]
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:759) 
~[?:?]
        at 
org.apache.solr.servlet.CoreContainerProvider.createCoreContainer(CoreContainerProvider.java:377)
 ~[?:?]
        at 
org.apache.solr.servlet.CoreContainerProvider.init(CoreContainerProvider.java:226)
 ~[?:?]
        at 
org.apache.solr.servlet.CoreContainerProvider.contextInitialized(CoreContainerProvider.java:110)
 ~[?:?]
        at 
org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:1073)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:572)
 ~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.ContextHandler.contextInitialized(ContextHandler.java:1002)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:765) 
~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:379)
 ~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1449) 
~[jetty-webapp-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1414) 
~[jetty-webapp-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:916)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:288)
 ~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:524) 
~[jetty-webapp-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.doStart(GzipHandler.java:426) 
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at org.eclipse.jetty.server.Server.start(Server.java:423) 
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
 ~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at org.eclipse.jetty.server.Server.doStart(Server.java:387) 
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
 ~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
        at 
org.eclipse.jetty.xml.XmlConfiguration.lambda$main$3(XmlConfiguration.java:1907)
 ~[jetty-xml-9.4.48.v20220622.jar:9.4.48.v20220622]
        at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
        at 
org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1857) 
~[jetty-xml-9.4.48.v20220622.jar:9.4.48.v20220622]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:?]
        at 
jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 ~[?:?]
        at 
jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
        at org.eclipse.jetty.start.Main.invokeMain(Main.java:218) 
~[start.jar:9.4.48.v20220622]
        at org.eclipse.jetty.start.Main.start(Main.java:491) 
~[start.jar:9.4.48.v20220622]
        at org.eclipse.jetty.start.Main.main(Main.java:77) 
~[start.jar:9.4.48.v20220622]
Caused by: java.util.concurrent.TimeoutException: Could not connect to 
ZooKeeper localhost:9983 within 30000 ms
        at 
org.apache.solr.common.cloud.ConnectionManager.waitForConnected(ConnectionManager.java:297)
 ~[?:?]
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:216) ~[?:?]
        ... 54 more
2024-11-17 20:00:59.102 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle starting 
SolrRequestFilter==org.apache.solr.servlet.SolrDispatchFilter@162c1dfb{inst=false,async=false,src=DESCRIPTOR:file:///D:/MyApplication/Solr/server/solr-webapp/webapp/WEB-INF/web.xml}
2024-11-17 20:00:59.103 DEBUG (main) [] o.e.j.s.BaseHolder Holding class 
org.apache.solr.servlet.SolrDispatchFilter from 
WebAppClassLoader{1520836654}@5aa6202e
2024-11-17 20:00:59.103 DEBUG (main) [] o.e.j.u.c.AbstractLifeCycle STARTED 
@57521ms 
SolrRequestFilter==org.apache.solr.servlet.SolrDispatchFilter@162c1dfb{inst=false,async=false,src=DESCRIPTOR:file:///D:/MyApplication/Solr/server/solr-webapp/webapp/WEB-INF/web.xml}
2024-11-17 20:00:59.106 DEBUG (main) [] o.e.j.s.FilterHolder Filter.init 
org.apache.solr.servlet.SolrDispatchFilter@536b71b4
2024-11-17 20:00:59.106 ERROR (main) [] o.a.s.s.CoreContainerProvider Error 
processing the request. CoreContainer is either not initialized or shutting 
down.
2024-11-17 20:00:59.106 ERROR (main) [] o.a.s.s.SolrDispatchFilter Could not 
start Dispatch Filter.
2024-11-17 20:00:59.106 ERROR (main) [] o.a.s.c.SolrCore null => 
javax.servlet.UnavailableException: Error processing the request. CoreContainer 
is either not initialized or shutting down.
        at 
org.apache.solr.servlet.CoreContainerProvider.waitForCoreContainer(CoreContainerProvider.java:150)
javax.servlet.UnavailableException: Error processing the request. CoreContainer 
is either not initialized or shutting down.

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