David Handermann created NIFI-10505:
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Summary: HashiCorp Vault Sensitive Property Provider Fails on Start
Key: NIFI-10505
URL: https://issues.apache.org/jira/browse/NIFI-10505
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 1.17.0
Reporter: David Handermann
Assignee: David Handermann
After configuring HashiCorp Vault as the Sensitive Property Provider for
application properties using encrypt-config.sh, startup fails while attempting
to retrieve values.
The problem appears to be related to HTTP client library selection,
specifically with Apache HttpComponents classes.
{noformat}
Caused by: org.springframework.beans.BeanInstantiationException: Failed to
instantiate [org.apache.nifi.util.NiFiProperties]: Factory method
'loadDefaultWithKeyFromBootstrap' threw exception; nested exception is
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
@2e243122 of the current class,
org/springframework/vault/client/ClientHttpRequestFactoryFactory$HttpComponents,
and the class loader org.apache.nifi.nar.NarClassLoader @7161457 for the
method's defining class,
org/springframework/http/client/HttpComponentsClientHttpRequestFactory, have
different Class objects for the type org/apache/http/client/HttpClient used in
the signature
(org.springframework.vault.client.ClientHttpRequestFactoryFactory$HttpComponents
is in unnamed module of loader
org.apache.nifi.property.protection.loader.PropertyProtectionURLClassLoader
@2e243122, parent loader org.eclipse.jetty.webapp.WebAppClassLoader @78861d9e;
org.springframework.http.client.HttpComponentsClientHttpRequestFactory is in
unnamed module of loader org.apache.nifi.nar.NarClassLoader @7161457, parent
loader org.apache.nifi.nar.NarClassLoader @56cc9f29)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
... 124 common frames omitted
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
@2e243122 of the current class,
org/springframework/vault/client/ClientHttpRequestFactoryFactory$HttpComponents,
and the class loader org.apache.nifi.nar.NarClassLoader @7161457 for the
method's defining class,
org/springframework/http/client/HttpComponentsClientHttpRequestFactory, have
different Class objects for the type org/apache/http/client/HttpClient used in
the signature
(org.springframework.vault.client.ClientHttpRequestFactoryFactory$HttpComponents
is in unnamed module of loader
org.apache.nifi.property.protection.loader.PropertyProtectionURLClassLoader
@2e243122, parent loader org.eclipse.jetty.webapp.WebAppClassLoader @78861d9e;
org.springframework.http.client.HttpComponentsClientHttpRequestFactory is in
unnamed module of loader org.apache.nifi.nar.NarClassLoader @7161457, parent
loader org.apache.nifi.nar.NarClassLoader @56cc9f29)
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)
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