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93
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1 Title: Deploying files with maven-deploy-plugin
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2 Date: 2019-02-11
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3 Lang: en
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4
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5 We recently had an outage of our Nexus instance at work. The file system went corrupt, nexus would not start up properly complaining about a corrupted Orient DB.
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6
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7 The blob store was largely left intact. In hindsight I should have tried to rebuild the OrientDB from the blob store using the _Repair - Reconcile component database from blob store_ task. I found out too late while I already had recovered half of our releases from my local maven repository.
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8
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9 I went down the more difficult route of re-uploading artifacts from my local Maven repo into Nexus. While you can upload single artifacts through Nexus' web GUI this approach did not scale. Instead, I used the `maven-deploy-plugin` to upload. Each of our artifacts comes with source accompanied, most expose also tests and test sources. So basically an artifact consists of these files:
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10
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11 * my-lib-1.0.jar
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12 * my-lib-1.0.pom
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13 * my-lib-1.0-sources.jar
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14 * my-lib-1.0-tests.jar
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15 * my-lib-1.0-test-sources.jar
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16
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17 All these files need to be uploaded together at once. It took me a little while to understand how to build the commandline for the deploy plugin to accomplish this.
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18
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19 The `file` parameter takes the main jar. The `pomFile` paramenter taks the pom file. That's easy. The other files have to be specified using a more convoluted format. Each file name has to specify its classifier and its type, appended to the separate `classifiers` and `types` lists. Finally the `files` list must specify the full file names. A look at the example will make more sense:
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20
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21 mvn deploy:deploy-file \
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22 -Dmaven.repo.local=/tmp/maven-repo \
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23 -Durl=http://nexus.local/repository/releases \
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24 -DrepositoryId=releases \
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25 -Dfile=my-lib-1.0.jar \
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26 -DpomFile=my-lib-1.0.pom \
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27 -Dclassifiers=sources,tests,test-sources \
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28 -Dtypes=jar,jar,jar \
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29 -Dfiles=my-lib-1.0-sources.jar,mylib-1.0-tests.jar,my-lib-1.0-test-sources.jar
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30
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31 You may have noticed that I'm specifying a separate local repository to use during the upload. This is because Maven refuses to upload artifacts from the repo it's currently operating on. Simply using a throw-away temporary local repo helps minimize the amount of fiddling around with local files.
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