asanka sanjaya created NIFI-2034:
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Summary: NiFi is always loading a specific version of httpcore to
classpath
Key: NIFI-2034
URL: https://issues.apache.org/jira/browse/NIFI-2034
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 0.6.1, 0.5.1
Reporter: asanka sanjaya
We have written a custom nifi processor to connect to microsoft exchange server
and get emails. It runs perfectly as a standalone application. But nifi always
loads httpcore-4.4.1.jar and httpclient-4.4.1.jar to classpath even though the
nar file contains httpcore-4.4.4.jar and httpclient-4.5.2.jar.
Because of that, it throws this error.
016-06-15 18:57:17,086 WARN [Timer-Driven Process Thread-4]
o.a.n.c.t.ContinuallyRunProcessorTask Administratively Yielding
NiFiJournalJob[id=52616329-d64c-4e14-bcb1-4c799891682a] due to uncaught
Exception: java.lang.NoSuchFieldError: INSTANCE
2016-06-15 18:57:17,091 WARN [Timer-Driven Process Thread-4]
o.a.n.c.t.ContinuallyRunProcessorTask
java.lang.NoSuchFieldError: INSTANCE
at
org.apache.http.impl.io.DefaultHttpRequestWriterFactory.<init>(DefaultHttpRequestWriterFactory.java:52)
~[httpcore-4.4.1.jar:4.4.1]
at
org.apache.http.impl.io.DefaultHttpRequestWriterFactory.<init>(DefaultHttpRequestWriterFactory.java:56)
~[httpcore-4.4.1.jar:4.4.1]
at
org.apache.http.impl.io.DefaultHttpRequestWriterFactory.<clinit>(DefaultHttpRequestWriterFactory.java:46)
~[httpcore-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<init>(ManagedHttpClientConnectionFactory.java:82)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<init>(ManagedHttpClientConnectionFactory.java:95)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<init>(ManagedHttpClientConnectionFactory.java:104)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<clinit>(ManagedHttpClientConnectionFactory.java:62)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.BasicHttpClientConnectionManager.<init>(BasicHttpClientConnectionManager.java:142)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.BasicHttpClientConnectionManager.<init>(BasicHttpClientConnectionManager.java:128)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.http.impl.conn.BasicHttpClientConnectionManager.<init>(BasicHttpClientConnectionManager.java:157)
~[httpclient-4.4.1.jar:4.4.1]
at
microsoft.exchange.webservices.data.core.ExchangeServiceBase.initializeHttpClient(ExchangeServiceBase.java:199)
~[na:na]
at
microsoft.exchange.webservices.data.core.ExchangeServiceBase.<init>(ExchangeServiceBase.java:174)
~[na:na]
at
microsoft.exchange.webservices.data.core.ExchangeServiceBase.<init>(ExchangeServiceBase.java:179)
~[na:na]
at
microsoft.exchange.webservices.data.core.ExchangeService.<init>(ExchangeService.java:3729)
~[na:na]
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