[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Nigel Liang updated KAFKA-9712:
---
Description:
Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
https://issues.apache.org/jira/browse/KAFKA-3061
This version, however, contains a
[bug|https://github.com/ronmamo/reflections/issues/273] that will cause
regression when scanning for plugins if the `plugins_path` specified does not
contain valid plugins. The case where we were able to repro this, the
`plugins_path` was misconfigured to point to `~/.ssh` which contained unrelated
files but no plugins. Further testing is needed to figure out if it will repro
for other cases such as empty directory, combination of valid and invalid
plugins in directory, just some types of plugins and not others in directory,
etc.
{code}
[2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
(org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
(org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2020-03-12 18:07:01,062] ERROR Stopping due to error
(org.apache.kafka.connect.cli.ConnectDistributed)
org.reflections.ReflectionsException: Scanner SubTypesScanner was not configured
at org.reflections.Store.get(Store.java:39)
at org.reflections.Store.get(Store.java:61)
at org.reflections.Store.get(Store.java:46)
at org.reflections.Store.getAll(Store.java:93)
at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
at
org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
at
org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
at
org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
at
org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
at
org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
at
org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
at
org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
at
org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
at
org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
{code}
was:
Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
https://issues.apache.org/jira/browse/KAFKA-3061
This version, however, contains a
[bug|https://github.com/ronmamo/reflections/issues/273] that will cause
regression when scanning for plugins if the `plugins_path` specified does not
contain valid plugins. The case where we were able to repro this, the
`plugins_path` was misconfigured to point to `~/.ssh` which contained unrelated
files but no plugins. Further testing is needed to figure out if it will repro
for other cases such as empty directory, combination of valid and invalid
plugins in directory, just some types of plugins and not others in directory,
etc.
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
>Affects Versions: 2.5.0
>Reporter: Nigel Liang
>Priority: Major
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.ref
[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Randall Hauch updated KAFKA-9712:
-
Component/s: KafkaConnect
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
>Affects Versions: 2.5.0
>Reporter: Nigel Liang
>Priority: Major
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.reflections.ReflectionsException: Scanner SubTypesScanner was not
> configured
> at org.reflections.Store.get(Store.java:39)
> at org.reflections.Store.get(Store.java:61)
> at org.reflections.Store.get(Store.java:46)
> at org.reflections.Store.getAll(Store.java:93)
> at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
> at
> org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
> {code}
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[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Randall Hauch updated KAFKA-9712:
-
Fix Version/s: 2.5.0
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
>Affects Versions: 2.5.0
>Reporter: Nigel Liang
>Priority: Major
> Fix For: 2.5.0
>
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.reflections.ReflectionsException: Scanner SubTypesScanner was not
> configured
> at org.reflections.Store.get(Store.java:39)
> at org.reflections.Store.get(Store.java:61)
> at org.reflections.Store.get(Store.java:46)
> at org.reflections.Store.getAll(Store.java:93)
> at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
> at
> org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
> {code}
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[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Randall Hauch updated KAFKA-9712:
-
Priority: Blocker (was: Major)
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
>Affects Versions: 2.5.0
>Reporter: Nigel Liang
>Priority: Blocker
> Fix For: 2.5.0
>
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.reflections.ReflectionsException: Scanner SubTypesScanner was not
> configured
> at org.reflections.Store.get(Store.java:39)
> at org.reflections.Store.get(Store.java:61)
> at org.reflections.Store.get(Store.java:46)
> at org.reflections.Store.getAll(Store.java:93)
> at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
> at
> org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
> {code}
--
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[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Randall Hauch updated KAFKA-9712:
-
Fix Version/s: 2.6.0
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
>Affects Versions: 2.5.0, 2.6.0
>Reporter: Nigel Liang
>Assignee: Nigel Liang
>Priority: Blocker
> Fix For: 2.5.0, 2.6.0
>
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.reflections.ReflectionsException: Scanner SubTypesScanner was not
> configured
> at org.reflections.Store.get(Store.java:39)
> at org.reflections.Store.get(Store.java:61)
> at org.reflections.Store.get(Store.java:46)
> at org.reflections.Store.getAll(Store.java:93)
> at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
> at
> org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
> {code}
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[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Randall Hauch updated KAFKA-9712:
-
Affects Version/s: 2.6.0
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
>Affects Versions: 2.5.0, 2.6.0
>Reporter: Nigel Liang
>Assignee: Nigel Liang
>Priority: Blocker
> Fix For: 2.5.0
>
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.reflections.ReflectionsException: Scanner SubTypesScanner was not
> configured
> at org.reflections.Store.get(Store.java:39)
> at org.reflections.Store.get(Store.java:61)
> at org.reflections.Store.get(Store.java:46)
> at org.reflections.Store.getAll(Store.java:93)
> at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
> at
> org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
> {code}
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[jira] [Updated] (KAFKA-9712) Reflections library 0.9.12 introduced in 2.5 causes regression scanning for plugins on plugin_path
[
https://issues.apache.org/jira/browse/KAFKA-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Konstantine Karantasis updated KAFKA-9712:
--
Affects Version/s: (was: 2.6.0)
(was: 2.5.0)
> Reflections library 0.9.12 introduced in 2.5 causes regression scanning for
> plugins on plugin_path
> --
>
> Key: KAFKA-9712
> URL: https://issues.apache.org/jira/browse/KAFKA-9712
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
>Reporter: Nigel Liang
>Assignee: Nigel Liang
>Priority: Blocker
> Fix For: 2.5.0, 2.6.0
>
>
> Reflections v0.9.12 was introduced in 2.5 branch to remove Guava dependency -
> https://issues.apache.org/jira/browse/KAFKA-3061
> This version, however, contains a
> [bug|https://github.com/ronmamo/reflections/issues/273] that will cause
> regression when scanning for plugins if the `plugins_path` specified does not
> contain valid plugins. The case where we were able to repro this, the
> `plugins_path` was misconfigured to point to `~/.ssh` which contained
> unrelated files but no plugins. Further testing is needed to figure out if it
> will repro for other cases such as empty directory, combination of valid and
> invalid plugins in directory, just some types of plugins and not others in
> directory, etc.
> {code}
> [2020-03-12 18:07:01,045] INFO Loading plugin from: /home/ducker/.ssh
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,047] DEBUG Loading plugin urls: []
> (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
> [2020-03-12 18:07:01,062] ERROR Stopping due to error
> (org.apache.kafka.connect.cli.ConnectDistributed)
> org.reflections.ReflectionsException: Scanner SubTypesScanner was not
> configured
> at org.reflections.Store.get(Store.java:39)
> at org.reflections.Store.get(Store.java:61)
> at org.reflections.Store.get(Store.java:46)
> at org.reflections.Store.getAll(Store.java:93)
> at org.reflections.Reflections.getSubTypesOf(Reflections.java:404)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:342)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:327)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:260)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.registerPlugin(DelegatingClassLoader.java:252)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:221)
> at
> org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:198)
> at
> org.apache.kafka.connect.runtime.isolation.Plugins.(Plugins.java:60)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.startConnect(ConnectDistributed.java:91)
> at
> org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:78)
> {code}
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