Oracle driver com.oracle.jdbc or com.oracle.weblogic? - oracle

I configured my Nexus to proxy maven.oracle.com and I am able to browse the index, so I know it worked. Oracle's documentation from this year (https://blogs.oracle.com/dev2dev/entry/oracle_maven_repository_instructions_for) gives this as the dependency for their driver:
<dependency>
<groupId>com.oracle.jdbc</groupId>
<artifactId>ojdbc7</artifactId>
<version>12.1.0.2</version>
</dependency>
But I cannot find it and Maven can't resolve it. I do find a jar ojdbc7 under a different GAV in their maven repo though:
<dependency>
<groupId>com.oracle.weblogic</groupId>
<artifactId>ojdbc7</artifactId>
<version>12.1.3-0-0</version>
</dependency>
Have I configured it wrong? Or is their doc wrong?

Related

Not finding all Liberty 17.0.0.1 jar files in maven repo

While I was able to find many WebSphere Liberty related jar files based on question Liberty Maven repo for 17.0.0.1 not found I am still not able to find the repo containing jar files like:
com.ibm.ws.javaee.servlet.3.1_1.0.13.jar
com.ibm.ws.javaee.websocket.1.1_1.0.13.jar
com.ibm.ws.logging-1.0.16.jar
com.ibm.json4j_1.0.16.jar
Could someone help point me to the proper repo for these jars? Thanks in advance.
For WebSocket 1.1:
<dependency>
<groupId>javax.websocket</groupId>
<artifactId>javax.websocket-all</artifactId>
<version>1.1</version>
</dependency>
For Servlet 3.1:
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
The json4j jar you mention isn't an API jar in Liberty, it is com.ibm.websphere.appserver.api.json_1.0.16.jar, but the maven dependency is:
<dependency>
<groupId>com.ibm.websphere.appserver.api</groupId>
<artifactId>com.ibm.websphere.appserver.api.json</artifactId>
<version>1.0.16</version>
</dependency>
The logging jar mentioned is part of the Liberty internals so is not available in maven central.

Excluding "provided" libraries from MobileFirst Maven builds

I have added a <scope>provided</scope> dependency to my Maven pom.xml for my Java adapter, because the referenced jars are provided by my application server, but Maven install is still including the jars in the .adapter file.
Is this the expected behavior? Is this a Maven issue, or something related to MobileFirst platform foundations use of it? The MFP provided libraries seem to not be included.
Not included in .adapter file:
<dependency>
<groupId>com.ibm.mfp</groupId>
<artifactId>adapter-maven-api</artifactId>
<scope>provided</scope>
<version>8.0.2017012516</version>
</dependency>
Included:
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.3</version>
<scope>provided</scope>
</dependency>

Hadoop/Hbase: java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/HBaseConfiguration

I have hadoop and Hbase installed, both working fine as far as I can tell. When trying to the built jar with hadoop, I get a
java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/HBaseConfiguration
error, using Hbase version 0.90.2 in my maven dependency.
I think this is quite an old version of Hbase and I am unsure if this old version is compatible with hadoop 2.7.2 or even Java 8. Thus I tried using Hbase version 0.99.2 in my maven dependency, but then I get a
Failed to execute goal on project exercise_2: Could not resolve dependencies for project com.company.exercise_2:exercise_2:jar:1.0-SNAPSHOT: Failure to find org.apache.hbase:hbase:jar:0.99.2 in http://repo.maven.apache.org/maven2 was cached in the local repository
error from the maven plugin. What am I doing wrong?
Here is my pom.xml:
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-hdfs</artifactId>
<version>2.7.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-mapreduce-client-core</artifactId>
<version>2.7.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-common</artifactId>
<version>2.7.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.hbase</groupId>
<artifactId>hbase</artifactId>
<version>0.99.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.hbase</groupId>
<artifactId>hbase-client</artifactId>
<version>1.1.2</version>
<scope>provided</scope>
</dependency>
Seems like this is jar caching issue, I think HbaseConfiguration is common class regardless of which version of hbase used.
Can you manually delete local repository file of hbase and try mvn XXXX command once again.
Maven will then try to download and fix the class path.
for cross checking, use mvn ... -X option to see which version of jar its trying to download.
Since scope of this jar is
provided
Cross check the hbase version of this jar in your cluster. by using "hbase classpath" and check whether this jar version is closely matching with your jar file version of maven repository of your pom.xml.
That should fix.

Maven: 1.7.4 openejb dependancy fails

Wanted to make use of openejb on top of tomcat v7 using maven instead of installing tomee. Referring to Apache documentation, 3 dependencies have to be added to the maven project.
<dependency>
<groupId>org.apache.openejb</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0-6</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.openejb</groupId>
<artifactId>openejb-core</artifactId>
<version>4.7.4</version>
</dependency>
<dependency>
<groupId>org.apache.openejb</groupId>
<artifactId>tomee</artifactId>
<version>1.7.4</version>
</dependency>
but the last depency generates following error: Missing artifact org.apache.openejb:tomee:jar:1.7.4
The correct artifactId being visible in:
http://mvnrepository.com/artifact/org.apache.openejb/apache-tomee/1.7.4
is apache-tomee and not tomee
so, replace the last depency by the following one and the problem will be solved:
<dependency>
<groupId>org.apache.openejb</groupId>
<artifactId>apache-tomee</artifactId>
<version>1.7.4</version>
</dependency>

SolrJ with Maven

I am a newbie in Solr and maven and i want to make a small application that index all my database tables via SolrJ .
For that i looked up at this tutorial where they are using MAVEN .
I installed the librairies and jars (except maven) but i had this exception:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/http/HttpRequestInterceptor
I looked into the tutorial and i saw that for resolving this problem we need to add this to my maven configuration:
org.slf4j
slf4j-simple
1.5.6
Is there anyway to do that without maven?
Thank you
Use maven. Even with it, it took me a fairly considerable amount of time to get the dependencies right. The tutorials were all a bit lacking. Below is my pom.xml with the relevant dependencies that I had maven bring in. Perhaps it will help you.
<dependency>
<groupId>org.apache.solr</groupId>
<artifactId>solr-core</artifactId>
<version>4.3.0</version>
</dependency>
<dependency>
<artifactId>solr-solrj</artifactId>
<groupId>org.apache.solr</groupId>
<version>4.3.0</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
Maven is the suggested build technology for the Solrj, because it automates the management of 3rd party dependencies. Without dependency management it's a royal pain to decipher these relationships (Jar hell).
What I could suggest is to use ivy, which has a command-line mode.
First download the ivy jar
http://search.maven.org/remotecontent?filepath=org/apache/ivy/ivy/2.3.0/ivy-2.3.0.jar
To retrieve the following Maven module and all it's dependencies:
<dependency>
<artifactId>solr-solrj</artifactId>
<groupId>org.apache.solr</groupId>
<version>1.4.0</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
Then run it as follows:
java -jar ivy.jar \
-dependency org.apache.solr solr-solrj 1.4.0 \
-retrieve "lib/[artifact]-[revision](-[classifier]).[ext]" \
-confs default
Retrieves into the lib directory:
lib/commons-httpclient-3.1.jar
lib/wstx-asl-3.2.7.jar
lib/slf4j-api-1.5.5.jar
lib/commons-codec-1.3.jar
lib/stax-api-1.0.1.jar
lib/geronimo-stax-api_1.0_spec-1.0.1.jar
lib/commons-logging-1.0.4.jar
lib/solr-solrj-1.4.0.jar
lib/commons-io-1.4.jar
lib/commons-fileupload-1.2.1.jar
Update
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/http/HttpRequestInterceptor
This is due to a missing httpcore.jar file. I found this out by browsing Maven Central:
http://search.maven.org/#search|ga|1|fc%3A%22org.apache.http.HttpRequestInterceptor%22
The recommendation on using the "slf4j-simple" is to provide a logging implementation in case your application doesn't have one.
Finally... This demonstrates what I've tried to say. In the absence of a dependency management tool (ivy, groovy, Maven) you're on your own in deciphering the 3rd party jar dependencies.

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