Ruchit Mathur created NIFI-10536:
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Summary: Getting java.lang.LinkageError when integrating Nifi with
Hashicorp Vault
Key: NIFI-10536
URL: https://issues.apache.org/jira/browse/NIFI-10536
Project: Apache NiFi
Issue Type: Bug
Components: Tools and Build
Affects Versions: 1.16.1
Reporter: Ruchit Mathur
Hello,
We configured Nifi with Hashicorp Vault using Encrypt Configuration Tool as
mentioned in official Docs. We were able to add Sensitive Properties (Keystore
Passwords and Sensitive Key) in our Vault KV Path, but after Restarting Nifi we
encountered following errors:-
Please note we are not encountering this Error in Nifi version 1.15.3.
After version 1.15.3 we are getting this error in all Releases.
{code:java}
Caused by: java.lang.LinkageError: loader constraint violation: when resolving
method 'void
org.springframework.http.client.HttpComponentsClientHttpRequestFactory.<init>(org.apache.http.client.HttpClient)'
the class loader
org.apache.nifi.property.protection.loader.PropertyProtectionURLClassLoader
@69c335c4 of the current class,
org/springframework/vault/client/ClientHttpRequestFactoryFactory$HttpComponents,
and the class loader org.apache.nifi.nar.NarClassLoader @5792c08c for the
method's defining class,
org/springframework/http/client/HttpComponentsClientHttpRequestFactory, have
different Class objects for the type org/apache/http/client/HttpClient used in
the signature
(org.springframework.vault.client.ClientHttpRequestFactoryFactory$HttpComponents
is in unnamed module of loader
org.apache.nifi.property.protection.loader.PropertyProtectionURLClassLoader
@69c335c4, parent loader org.eclipse.jetty.webapp.WebAppClassLoader @6d4502ca;
org.springframework.http.client.HttpComponentsClientHttpRequestFactory is in
unnamed module of loader org.apache.nifi.nar.NarClassLoader @5792c08c, parent
loader org.apache.nifi.nar.NarClassLoader @46e190ed)
at
org.springframework.vault.client.ClientHttpRequestFactoryFactory$HttpComponents.usingHttpComponents(ClientHttpRequestFactoryFactory.java:333)
at
org.springframework.vault.client.ClientHttpRequestFactoryFactory.create(ClientHttpRequestFactoryFactory.java:130)
at
org.apache.nifi.vault.hashicorp.StandardHashiCorpVaultCommunicationService.<init>(StandardHashiCorpVaultCommunicationService.java:59)
at
org.apache.nifi.properties.AbstractHashiCorpVaultSensitivePropertyProvider.<init>(AbstractHashiCorpVaultSensitivePropertyProvider.java:43)
at
org.apache.nifi.properties.HashiCorpVaultKeyValueSensitivePropertyProvider.<init>(HashiCorpVaultKeyValueSensitivePropertyProvider.java:31)
at
org.apache.nifi.properties.StandardSensitivePropertyProviderFactory.getProvider(StandardSensitivePropertyProviderFactory.java:230)
at
java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at
java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992)
at
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
at
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
at
java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
at
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at
java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
at
org.apache.nifi.properties.StandardSensitivePropertyProviderFactory.getSupportedProviders(StandardSensitivePropertyProviderFactory.java:152)
at
org.apache.nifi.properties.NiFiPropertiesLoader.load(NiFiPropertiesLoader.java:164)
at
org.apache.nifi.properties.NiFiPropertiesLoader.load(NiFiPropertiesLoader.java:190)
at
org.apache.nifi.properties.NiFiPropertiesLoader.loadDefault(NiFiPropertiesLoader.java:215)
at
org.apache.nifi.properties.NiFiPropertiesLoader.loadDefaultWithKeyFromBootstrap(NiFiPropertiesLoader.java:103)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 124 common frames omitted
2022-09-23 15:04:15,770 INFO [Thread-0] org.apache.nifi.NiFi Application Server
shutdown started
{code}
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