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https://issues.apache.org/jira/browse/NUTCH-3075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17891061#comment-17891061
]
Hiran Chaudhuri edited comment on NUTCH-3075 at 10/18/24 8:47 PM:
------------------------------------------------------------------
I repeated the situation and nutch still fails. I checked
nutch/runtime/local/logs/hadoop.log and found the following.
The InjectMapper perceived an exception while trying to setup. Unfortunately
this method cannot throw any checked exception. But the calling code expects to
get a qualified message from NutchJob.getJobFailureLogMessage(...). Which
class, which method should be responsible of writing data into the job? As
{{org.apache.nutch.crawl.Injector$InjectMapper.setup() gets called by
}}{{{}org.apache.hadoop.mapreduce.Mapper.run{}}}{{{}() it looks to me like that
class needs to handle the exception. But that would be the Hadoop project?{}}}
The Injector code can be changed to tell the user "Have a look at the file
logs/hadoop.log" to make it easier for others finding the problem.
And finally the tld plugin needs to be investigated why a crucial class is
missing.
{{java.lang.Exception: java.lang.RuntimeException:
org.apache.nutch.plugin.PluginRuntimeException:
java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:492)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:552)
[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{Caused by: java.lang.RuntimeException:
org.apache.nutch.plugin.PluginRuntimeException:
java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
org.apache.nutch.plugin.PluginRepository.getOrderedPlugins(PluginRepository.java:488)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.scoring.ScoringFilters.<init>(ScoringFilters.java:46)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.crawl.Injector$InjectMapper.setup(Injector.java:145)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:800)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
~[?:?]}}
{{ at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
~[?:?]}}
{{ at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]}}
{{Caused by: org.apache.nutch.plugin.PluginRuntimeException:
java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:181)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginRepository.getOrderedPlugins(PluginRepository.java:460)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.scoring.ScoringFilters.<init>(ScoringFilters.java:46)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.crawl.Injector$InjectMapper.setup(Injector.java:145)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:800)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
~[?:?]}}
{{ at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
~[?:?]}}
{{ at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]}}
{{Caused by: java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
~[?:?]}}
{{ at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
~[?:?]}}
{{ at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
~[?:?]}}
{{ at
org.apache.nutch.plugin.PluginClassLoader.loadClassFromSystem(PluginClassLoader.java:105)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginClassLoader.loadClassFromParent(PluginClassLoader.java:93)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginClassLoader.loadClass(PluginClassLoader.java:73)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
~[?:?]}}
{{ at
org.apache.nutch.plugin.PluginRepository.getCachedClass(PluginRepository.java:350)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:165)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginRepository.getOrderedPlugins(PluginRepository.java:460)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.scoring.ScoringFilters.<init>(ScoringFilters.java:46)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.crawl.Injector$InjectMapper.setup(Injector.java:145)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:800)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
~[?:?]}}
{{ at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
~[?:?]}}
{{ at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]}}
was (Author: hiranchaudhuri):
I repeated the situation and nutch still fails. I checked
nutch/runtime/local/logs/hadoop.log and found the following.
The InjectMapper perceived an exception while trying to setup. Unfortunately
this method cannot throw any checked exception. But the calling code expects to
get a qualified message from NutchJob.getJobFailureLogMessage(...). Which
class, which method should be responsible of writing data into the job? As
{{org.apache.nutch.crawl.Injector$InjectMapper.setup() gets called by
}}{{{}org.apache.hadoop.mapreduce.Mapper.run{}}}{{{}() it looks to me like that
class needs to handle the exception. But that would be the Hadoop project?{}}}
The Injector code can be changed to tell the user "Have a look at the file
logs/hadooop.log" to make it easier for others finding the problem.
And finally the tld plugin needs to be investigated why a crucial class is
missing.
{{java.lang.Exception: java.lang.RuntimeException:
org.apache.nutch.plugin.PluginRuntimeException:
java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:492)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:552)
[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{Caused by: java.lang.RuntimeException:
org.apache.nutch.plugin.PluginRuntimeException:
java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
org.apache.nutch.plugin.PluginRepository.getOrderedPlugins(PluginRepository.java:488)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.scoring.ScoringFilters.<init>(ScoringFilters.java:46)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.crawl.Injector$InjectMapper.setup(Injector.java:145)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:800)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
~[?:?]}}
{{ at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
~[?:?]}}
{{ at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]}}
{{Caused by: org.apache.nutch.plugin.PluginRuntimeException:
java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:181)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginRepository.getOrderedPlugins(PluginRepository.java:460)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.scoring.ScoringFilters.<init>(ScoringFilters.java:46)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.crawl.Injector$InjectMapper.setup(Injector.java:145)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:800)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
~[?:?]}}
{{ at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
~[?:?]}}
{{ at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]}}
{{Caused by: java.lang.ClassNotFoundException:
org.apache.nutch.scoring.tld.TLDScoringFilter}}
{{ at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
~[?:?]}}
{{ at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
~[?:?]}}
{{ at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
~[?:?]}}
{{ at
org.apache.nutch.plugin.PluginClassLoader.loadClassFromSystem(PluginClassLoader.java:105)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginClassLoader.loadClassFromParent(PluginClassLoader.java:93)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginClassLoader.loadClass(PluginClassLoader.java:73)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
~[?:?]}}
{{ at
org.apache.nutch.plugin.PluginRepository.getCachedClass(PluginRepository.java:350)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:165)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at
org.apache.nutch.plugin.PluginRepository.getOrderedPlugins(PluginRepository.java:460)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.scoring.ScoringFilters.<init>(ScoringFilters.java:46)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.nutch.crawl.Injector$InjectMapper.setup(Injector.java:145)
~[apache-nutch-1.21-SNAPSHOT.jar:?]}}
{{ at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:800)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
~[hadoop-mapreduce-client-core-3.3.6.jar:?]}}
{{ at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
~[hadoop-mapreduce-client-common-3.3.6.jar:?]}}
{{ at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
~[?:?]}}
{{ at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
~[?:?]}}
{{ at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
~[?:?]}}
{{ at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]}}
> tld plugin makes injector crash
> -------------------------------
>
> Key: NUTCH-3075
> URL: https://issues.apache.org/jira/browse/NUTCH-3075
> Project: Nutch
> Issue Type: Bug
> Components: injector
> Affects Versions: 1.21
> Environment: * Ubuntu 22 LTS
> * openjdk version "21.0.4" 2024-07-16 LTS
> Reporter: Hiran Chaudhuri
> Priority: Major
>
> I cloned the current master branch (commit id
> d6f55b8ea6f5809cef5a31239e5760be23742c00) which nicely compiles to
> apache-nutch-1.21-SNAPSHOT.job
> Even after I added my own protocol-imap implementation. Crawling works to
> some degree - I am heavily experimenting with IMAP and the data I receive in
> Solr. Looking at the
> [IndexStructure|https://cwiki.apache.org/confluence/display/NUTCH/IndexStructure]
> I hoped to get better information by adding all the mentioned plugins.
> Thus I reconfigured nutch-site.xml, especially the `plugin.includes` property
> to include them all. As soon as `tld` is contained, upon seeding my CrawlDb
> the injector dies with
> {{WARN StatusConsoleListener The use of package scanning to locate plugins is
> deprecated and will be removed in a future release}}
> {{WARN StatusConsoleListener The use of package scanning to locate plugins is
> deprecated and will be removed in a future release}}
> {{WARN StatusConsoleListener The use of package scanning to locate plugins is
> deprecated and will be removed in a future release}}
> {{WARN StatusConsoleListener The use of package scanning to locate plugins is
> deprecated and will be removed in a future release}}
> {{2024-10-11 23:27:51,295 INFO org.apache.nutch.plugin.PluginManifestParser
> [main] Plugins: looking in:
> /home/hiran/NetBeansProjects/nutch/runtime/local/plugins}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] Plugin Auto-activation mode: [true]}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] Registered Plugins:}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] the nutch core extension points (nutch-extensionpoints)}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] Top Level Domain Plugin (tld)}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] IMAP Protocol Plug-in (protocol-imap)}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] Registered Extension-Points:}}
> {{2024-10-11 23:27:51,366 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Content Parser)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch URL Filter)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (HTML Parse Filter)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Scoring)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch URL Normalizer)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Publisher)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Exchange)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Protocol)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch URL Ignore Exemption Filter)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Index Writer)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Segment Merge Filter)}}
> {{2024-10-11 23:27:51,367 INFO org.apache.nutch.plugin.PluginRepository
> [main] (Nutch Indexing Filter)}}
> {{2024-10-11 23:27:51,368 INFO org.apache.nutch.crawl.Injector [main]
> Injector: starting}}
> {{2024-10-11 23:27:51,368 INFO org.apache.nutch.crawl.Injector [main]
> Injector: crawlDb: crawl/crawldb}}
> {{2024-10-11 23:27:51,369 INFO org.apache.nutch.crawl.Injector [main]
> Injector: urlDir: urls}}
> {{2024-10-11 23:27:51,369 INFO org.apache.nutch.crawl.Injector [main]
> Injector: Converting injected urls to crawl db entries.}}
> {{2024-10-11 23:27:51,519 INFO org.apache.nutch.crawl.Injector [main]
> Injecting seed URL file
> file:/home/hiran/NetBeansProjects/nutch/urls/seed.txt}}
> {{2024-10-11 23:27:52,778 ERROR org.apache.nutch.crawl.Injector [main]
> Injector job did not succeed, job id: job_local1500911141_0001, job status:
> FAILED, reason: NA}}
> {{2024-10-11 23:27:52,779 ERROR org.apache.nutch.crawl.Injector [main]
> Injector: java.lang.RuntimeException: Injector job did not succeed, job id:
> job_local1500911141_0001, job status: FAILED, reason: NA}}
> {{ at org.apache.nutch.crawl.Injector.inject(Injector.java:446)}}
> {{ at org.apache.nutch.crawl.Injector.run(Injector.java:574)}}
> {{ at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:82)}}
> {{ at org.apache.nutch.crawl.Injector.main(Injector.java:538)}}
>
> The behaviour can be cured by simply removing `tld` from the property.
>
> * Could there be some better error message?
> * Why does the tld plugin crash the injector phase at all?
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