[root@SERVER-150 john]# tail -150 /var/log/elasticsearch/testcluster.log
[2020-07-28T08:04:56,899][INFO ][o.e.p.PluginsService     ] [SERVER-150] loaded module [x-pack-watcher]
[2020-07-28T08:04:56,899][INFO ][o.e.p.PluginsService     ] [SERVER-150] no plugins loaded
[2020-07-28T08:04:56,959][INFO ][o.e.e.NodeEnvironment    ] [SERVER-150] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [1.1tb], net total_space [1.3tb], types [rootfs]
[2020-07-28T08:04:56,960][INFO ][o.e.e.NodeEnvironment    ] [SERVER-150] heap size [1gb], compressed ordinary object pointers [true]
[2020-07-28T08:04:57,129][INFO ][o.e.n.Node               ] [SERVER-150] node name [SERVER-150], node ID [VdmNhnGISTGdKobCcLlK1A], cluster name [testcluster]
[2020-07-28T08:05:01,651][ERROR][o.e.b.Bootstrap          ] [SERVER-150] Exception
org.elasticsearch.ElasticsearchSecurityException: failed to load SSL configuration [xpack.security.transport.ssl]
        at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSSLConfigurations$5(SSLService.java:528) ~[?:?]
        at java.util.HashMap.forEach(HashMap.java:1425) ~[?:?]
        at java.util.Collections$UnmodifiableMap.forEach(Collections.java:1521) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.loadSSLConfigurations(SSLService.java:524) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.<init>(SSLService.java:142) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createSSLService(XPackPlugin.java:397) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createComponents(XPackPlugin.java:263) ~[?:?]
        at org.elasticsearch.node.Node.lambda$new$11(Node.java:484) ~[elasticsearch-7.8.0.jar:7.8.0]
        at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271) ~[?:?]
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1624) ~[?:?]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
        at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[?:?]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
        at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[?:?]
        at org.elasticsearch.node.Node.<init>(Node.java:488) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.node.Node.<init>(Node.java:266) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) [elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) [elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:161) [elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:127) [elasticsearch-cli-7.8.0.jar:7.8.0]
        at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:126) [elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-7.8.0.jar:7.8.0]
Caused by: org.elasticsearch.ElasticsearchException: failed to initialize SSL TrustManager - truststore file [/etc/elasticsearch/elastic-certificates.p12] does not exist
        at org.elasticsearch.xpack.core.ssl.TrustConfig.missingTrustConfigFile(TrustConfig.java:113) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.StoreTrustConfig.createTrustManager(StoreTrustConfig.java:68) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.createSslContext(SSLService.java:437) ~[?:?]
        at java.util.HashMap.computeIfAbsent(HashMap.java:1225) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSSLConfigurations$5(SSLService.java:526) ~[?:?]
        ... 26 more
Caused by: java.nio.file.NoSuchFileException: /etc/elasticsearch/elastic-certificates.p12
        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:92) ~[?:?]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?]
        at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:219) ~[?:?]
        at java.nio.file.Files.newByteChannel(Files.java:375) ~[?:?]
        at java.nio.file.Files.newByteChannel(Files.java:426) ~[?:?]
        at java.nio.file.spi.FileSystemProvider.newInputStream(FileSystemProvider.java:420) ~[?:?]
        at java.nio.file.Files.newInputStream(Files.java:160) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.TrustConfig.getStore(TrustConfig.java:95) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.StoreTrustConfig.createTrustManager(StoreTrustConfig.java:65) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.createSslContext(SSLService.java:437) ~[?:?]
        at java.util.HashMap.computeIfAbsent(HashMap.java:1225) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSSLConfigurations$5(SSLService.java:526) ~[?:?]
        ... 26 more
[2020-07-28T08:05:01,661][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [SERVER-150] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: ElasticsearchSecurityException[failed to load SSL configuration [xpack.security.transport.ssl]]; nested: ElasticsearchException[failed to initialize SSL TrustManager - truststore file [/etc/elasticsearch/elastic-certificates.p12] does not exist]; nested: NoSuchFileException[/etc/elasticsearch/elastic-certificates.p12];
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:174) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:161) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:127) ~[elasticsearch-cli-7.8.0.jar:7.8.0]
        at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:126) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.8.0.jar:7.8.0]
Caused by: org.elasticsearch.ElasticsearchSecurityException: failed to load SSL configuration [xpack.security.transport.ssl]
        at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSSLConfigurations$5(SSLService.java:528) ~[?:?]
        at java.util.HashMap.forEach(HashMap.java:1425) ~[?:?]
        at java.util.Collections$UnmodifiableMap.forEach(Collections.java:1521) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.loadSSLConfigurations(SSLService.java:524) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.<init>(SSLService.java:142) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createSSLService(XPackPlugin.java:397) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createComponents(XPackPlugin.java:263) ~[?:?]
        at org.elasticsearch.node.Node.lambda$new$11(Node.java:484) ~[elasticsearch-7.8.0.jar:7.8.0]
        at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271) ~[?:?]
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1624) ~[?:?]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
        at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[?:?]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
        at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[?:?]
        at org.elasticsearch.node.Node.<init>(Node.java:488) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.node.Node.<init>(Node.java:266) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.8.0.jar:7.8.0]
        ... 6 more
Caused by: org.elasticsearch.ElasticsearchException: failed to initialize SSL TrustManager - truststore file [/etc/elasticsearch/elastic-certificates.p12] does not exist
        at org.elasticsearch.xpack.core.ssl.TrustConfig.missingTrustConfigFile(TrustConfig.java:113) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.StoreTrustConfig.createTrustManager(StoreTrustConfig.java:68) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.createSslContext(SSLService.java:437) ~[?:?]
        at java.util.HashMap.computeIfAbsent(HashMap.java:1225) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSSLConfigurations$5(SSLService.java:526) ~[?:?]
        at java.util.HashMap.forEach(HashMap.java:1425) ~[?:?]
        at java.util.Collections$UnmodifiableMap.forEach(Collections.java:1521) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.loadSSLConfigurations(SSLService.java:524) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.<init>(SSLService.java:142) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createSSLService(XPackPlugin.java:397) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createComponents(XPackPlugin.java:263) ~[?:?]
        at org.elasticsearch.node.Node.lambda$new$11(Node.java:484) ~[elasticsearch-7.8.0.jar:7.8.0]
        at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271) ~[?:?]
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1624) ~[?:?]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
        at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[?:?]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
        at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[?:?]
        at org.elasticsearch.node.Node.<init>(Node.java:488) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.node.Node.<init>(Node.java:266) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.8.0.jar:7.8.0]
        ... 6 more
Caused by: java.nio.file.NoSuchFileException: /etc/elasticsearch/elastic-certificates.p12
        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:92) ~[?:?]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?]
        at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:219) ~[?:?]
        at java.nio.file.Files.newByteChannel(Files.java:375) ~[?:?]
        at java.nio.file.Files.newByteChannel(Files.java:426) ~[?:?]
        at java.nio.file.spi.FileSystemProvider.newInputStream(FileSystemProvider.java:420) ~[?:?]
        at java.nio.file.Files.newInputStream(Files.java:160) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.TrustConfig.getStore(TrustConfig.java:95) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.StoreTrustConfig.createTrustManager(StoreTrustConfig.java:65) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.createSslContext(SSLService.java:437) ~[?:?]
        at java.util.HashMap.computeIfAbsent(HashMap.java:1225) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSSLConfigurations$5(SSLService.java:526) ~[?:?]
        at java.util.HashMap.forEach(HashMap.java:1425) ~[?:?]
        at java.util.Collections$UnmodifiableMap.forEach(Collections.java:1521) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.loadSSLConfigurations(SSLService.java:524) ~[?:?]
        at org.elasticsearch.xpack.core.ssl.SSLService.<init>(SSLService.java:142) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createSSLService(XPackPlugin.java:397) ~[?:?]
        at org.elasticsearch.xpack.core.XPackPlugin.createComponents(XPackPlugin.java:263) ~[?:?]
        at org.elasticsearch.node.Node.lambda$new$11(Node.java:484) ~[elasticsearch-7.8.0.jar:7.8.0]
        at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271) ~[?:?]
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1624) ~[?:?]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
        at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[?:?]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
        at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[?:?]
        at org.elasticsearch.node.Node.<init>(Node.java:488) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.node.Node.<init>(Node.java:266) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:227) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.8.0.jar:7.8.0]
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.8.0.jar:7.8.0]
        ... 6 more