FESSが起動しなくなった原因の切り分け方法について

お世話になっております。谷と申します。
以下の環境のFESSで先日(6/29)よりFESSが起動しなくなってしまい、その原因と対応を調査していますが
難航しておりアドバイスをいただければ幸いです。

事象:FESSに接続(http://localhost:8080)しようとするが接続に失敗します
(HTTP ERROR 404)

詳細:fess.logを見る限り[fess] IndexNotFoundException[no such index] が出ており
elasticsearchのindexが見つからないように思われます。
そこでelasticsearchのindexの状態を確認するため「http://localhost:9200/_status」
を実行したところ、以下の例外が発生しているところまで判明しました。

{“error”:{“root_cause”:[{“type”:“invalid_index_name_exception”,“reason”:“Invalid index name [status],
must not start with '
’.”,“index_uuid”:“na”,“index”:"_status"}],“type”:“invalid_index_name_exception”,
“reason”:“Invalid index name [status], must not start with '’.”,“index_uuid”:“na”,“index”:"_status"},
“status”:400}

しかし、ここからの原因調査方法が分からずに難航しております。調査および対応方法について
ご教授いただければ幸いです。

補足情報:環境は以下の構成です。WindowsOS上ですべて共存しています。
OS :Windows 10 pro X64
fess :12.2.1
elasticsearch&kibana:6.4.0

補足情報:fessのログ情報

2022-06-30 18:14:27,885 [localhost-startStop-1] ERROR Failed to initialize Lasta Di.
org.lastaflute.di.exception.ContainerInitFailureException: Look! Read the message below.
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Failed to initialize the container.

[Path]
esclient.xml

[Namespace]
null

[Included by]
esflute_config.xml
esflute_user.xml
esflute_log.xml

                  • */
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.throwContainerInitFailureException(LaContainerImpl.java:463) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.init(LaContainerImpl.java:415) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.doInit(LaContainerImpl.java:431) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.init(LaContainerImpl.java:413) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.doInit(LaContainerImpl.java:431) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.init(LaContainerImpl.java:413) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.doInit(LaContainerImpl.java:431) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.init(LaContainerImpl.java:413) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.factory.SingletonLaContainerFactory.init(SingletonLaContainerFactory.java:66) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.web.container.WebLastaContainerInitializer.doInitContainer(WebLastaContainerInitializer.java:81) ~[lastaflute-1.0.8.jar:?]
                    at org.lastaflute.web.container.WebLastaContainerInitializer.initialize(WebLastaContainerInitializer.java:45) ~[lastaflute-1.0.8.jar:?]
                    at org.lastaflute.web.servlet.filter.LastaPrepareFilter.initializeContainer(LastaPrepareFilter.java:136) [lastaflute-1.0.8.jar:?]
                    at org.lastaflute.web.servlet.filter.LastaPrepareFilter.init(LastaPrepareFilter.java:94) [lastaflute-1.0.8.jar:?]
                    at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:285) [classes/:?]
                    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:266) [classes/:?]
                    at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:108) [classes/:?]
                    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4621) [classes/:?]
                    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5266) [classes/:?]
                    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [classes/:?]
                    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1421) [classes/:?]
                    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1411) [classes/:?]
                    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_181]
                    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181]
                    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181]
                    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
                    Caused by: org.lastaflute.di.core.exception.IllegalMethodRuntimeException: [ESSR0060]Can not configure method(open) of org.codelibs.fess.es.client.FessEsClient, because [fess] IndexNotFoundException[no such index]
                    at org.lastaflute.di.core.assembler.AbstractMethodAssembler.invoke(AbstractMethodAssembler.java:61) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.assembler.DefaultInitMethodAssembler.assemble(DefaultInitMethodAssembler.java:40) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.deployer.SingletonComponentDeployer.assemble(SingletonComponentDeployer.java:57) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.deployer.SingletonComponentDeployer.deploy(SingletonComponentDeployer.java:41) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.deployer.SingletonComponentDeployer.init(SingletonComponentDeployer.java:35) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.ComponentDefImpl.init(ComponentDefImpl.java:85) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.doInit(LaContainerImpl.java:434) ~[lasta-di-0.7.6.jar:?]
                    at org.lastaflute.di.core.meta.impl.LaContainerImpl.init(LaContainerImpl.java:413) ~[lasta-di-0.7.6.jar:?]
                    … 23 more
                    Caused by: org.elasticsearch.index.IndexNotFoundException: no such index
                    at org.elasticsearch.cluster.metadata.IndexNameExpressionResolver$WildcardExpressionResolver.indexNotFoundException(IndexNameExpressionResolver.java:719) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.cluster.metadata.IndexNameExpressionResolver$WildcardExpressionResolver.innerResolve(IndexNameExpressionResolver.java:671) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.cluster.metadata.IndexNameExpressionResolver$WildcardExpressionResolver.resolve(IndexNameExpressionResolver.java:627) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.cluster.metadata.IndexNameExpressionResolver.concreteIndices(IndexNameExpressionResolver.java:163) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.cluster.metadata.IndexNameExpressionResolver.concreteIndexNames(IndexNameExpressionResolver.java:142) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.cluster.metadata.IndexNameExpressionResolver.concreteIndexNames(IndexNameExpressionResolver.java:75) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.admin.indices.mapping.get.TransportGetMappingsAction.checkBlock(TransportGetMappingsAction.java:62) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.admin.indices.mapping.get.TransportGetMappingsAction.checkBlock(TransportGetMappingsAction.java:40) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction.doStart(TransportMasterNodeAction.java:136) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction.start(TransportMasterNodeAction.java:127) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.master.TransportMasterNodeAction.doExecute(TransportMasterNodeAction.java:105) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.master.TransportMasterNodeAction.doExecute(TransportMasterNodeAction.java:55) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:167) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.apply(SecurityActionFilter.java:128) ~[?:?]
                    at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:165) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:139) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.HandledTransportAction$TransportHandler.messageReceived(HandledTransportAction.java:79) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.action.support.HandledTransportAction$TransportHandler.messageReceived(HandledTransportAction.java:69) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler$1.doRun(SecurityServerTransportInterceptor.java:251) ~[?:?]
                    at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler.messageReceived(SecurityServerTransportInterceptor.java:309) ~[?:?]
                    at org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:66) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.transport.TcpTransport$RequestHandler.doRun(TcpTransport.java:1605) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.common.util.concurrent.EsExecutors$1.execute(EsExecutors.java:135) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.transport.TcpTransport.handleRequest(TcpTransport.java:1563) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.transport.TcpTransport.messageReceived(TcpTransport.java:1427) ~[elasticsearch-6.3.2.jar:6.3.2]
                    at org.elasticsearch.transport.netty4.Netty4MessageChannelHandler.channelRead(Netty4MessageChannelHandler.java:64) ~[transport-netty4-6.3.2.jar:6.3.2]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.logging.LoggingHandler.channelRead(LoggingHandler.java:241) ~[netty-handler-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1359) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:935) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:545) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:499) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) ~[netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) ~[netty-common-4.1.16.Final.jar:4.1.16.Final]
                    … 1 more
                    2022-06-30 18:15:47,368 [elasticsearch[client][transport_client_boss][T#13]] WARN An exception was thrown by org.elasticsearch.transport.netty4.NettyTcpChannel$$Lambda$828/635814445.operationComplete()
                    java.lang.NoClassDefFoundError: org/apache/logging/log4j/message/ParameterizedMessage
                    at org.apache.logging.log4j.message.ParameterizedMessageFactory.newMessage(ParameterizedMessageFactory.java:71) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2010) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1882) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:855) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.elasticsearch.transport.netty4.Netty4Utils.maybeDie(Netty4Utils.java:183) ~[transport-netty4-6.3.2.jar:6.3.2]
                    at org.elasticsearch.transport.netty4.NettyTcpChannel.lambda$sendMessage$1(NettyTcpChannel.java:93) ~[transport-netty4-6.3.2.jar:6.3.2]
                    at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:987) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:883) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1316) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.logging.LoggingHandler.write(LoggingHandler.java:249) [netty-handler-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:106) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:38) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1081) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1128) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1070) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
                    Caused by: java.lang.ClassNotFoundException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.logging.log4j.message.ParameterizedMessage]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
                    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1318) ~[?:?]
                    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1175) ~[?:?]
                    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1136) ~[?:?]
                    … 34 more
                    Caused by: java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.logging.log4j.message.ParameterizedMessage]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
                    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1328) ~[?:?]
                    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1316) ~[?:?]
                    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1175) ~[?:?]
                    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1136) ~[?:?]
                    … 34 more
                    2022-06-30 18:16:12,423 [elasticsearch[client][transport_client_boss][T#14]] WARN An exception was thrown by org.elasticsearch.transport.netty4.NettyTcpChannel$$Lambda$828/635814445.operationComplete()
                    java.lang.NoClassDefFoundError: org/apache/logging/log4j/message/ParameterizedMessage
                    at org.apache.logging.log4j.message.ParameterizedMessageFactory.newMessage(ParameterizedMessageFactory.java:71) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2010) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1882) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:855) ~[log4j-api-2.9.1.jar:2.9.1]
                    at org.elasticsearch.transport.netty4.Netty4Utils.maybeDie(Netty4Utils.java:183) ~[transport-netty4-6.3.2.jar:6.3.2]
                    at org.elasticsearch.transport.netty4.NettyTcpChannel.lambda$sendMessage$1(NettyTcpChannel.java:93) ~[transport-netty4-6.3.2.jar:6.3.2]
                    at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:987) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:883) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1316) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.handler.logging.LoggingHandler.write(LoggingHandler.java:249) [netty-handler-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:106) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:38) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1081) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1128) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1070) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
                    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.16.Final.jar:4.1.16.Final]
                    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]

ご利用のバージョンはEOLされています。
過去のバージョンのサポートが必要な場合は商用サポートをご利用ください。
そのログをざっと見た感じだと、elasticsearch側の問題だと思うので、何かが原因で、elasticsearchでインデックスが消えたりしているのではないでしょうか。