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D
deana66659071
Level 4
February 9, 2016

Including com.fasterxml.jackson dependency - Causing errors

  • February 9, 2016
  • 4 replies
  • 22051 views

I've added the following dependencies to my pom file

            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-core</artifactId>
                <version>2.6.5</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-annotations</artifactId>
                <version>2.6.5</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>2.6.5</version>
            </dependency>

When I start my AEM server, I constantly get the following error ..

09.02.2016 11:41:55.297 *ERROR* [FelixStartLevel] ERROR: Error starting jcrinsta
ll:/apps/ewcm/install/ewcm.global.core-1.0.44-SNAPSHOT.jar (org.osgi.framework.B
undleException: Unresolved constraint in bundle ewcm.global.core [457]: Unable t
o resolve 457.7: missing requirement [457.7] osgi.wiring.package; (&(osgi.wiring
.package=com.fasterxml.jackson.core.type)(version>=2.6.0)(!(version>=3.0.0))))
org.osgi.framework.BundleException: Unresolved constraint in bundle ewcm.global.
core [457]: Unable to resolve 457.7: missing requirement [457.7] osgi.wiring.pac
kage; (&(osgi.wiring.package=com.fasterxml.jackson.core.type)(version>=2.6.0)(!(
version>=3.0.0)))
        at org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:398
0)
        at org.apache.felix.framework.Felix.startBundle(Felix.java:2043)
        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1297)

        at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStart
LevelImpl.java:304)
        at java.lang.Thread.run(Unknown Source)

Additionally, when I look in the system/console it says

com.fasterxml.jackson.core.type,version=[2.6,3) -- Cannot be resolved
com.fasterxml.jackson.databind,version=[2.6,3) -- Cannot be resolved

Thank you in advance for helping with this issue.

-Dean
            

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    4 replies

    Lokesh_Shivalingaiah
    Lokesh_Shivalingaiah
    Level 10
    February 9, 2016

    Goto http://<host>:<port>/system/console/bundles and see if all these 3 dependency bundles exists or not. If not, upload these bundles manually and it should resolve.

    Post your pom.xml to see what is missing.

    D
    deana66659071Author
    Level 4
    February 9, 2016

    I've attached the pom.xml

    Checked system/console/bundles ... None of those bundles are deployed ...

    I've attached the MANIFEST.MF as well.

    Thank you for your help.

    -Dean

    D
    deana66659071Author
    Level 4
    February 10, 2016

    Can you try replacing your maven bundle plugin as mentioned below

    I want to try configuring import package 

     

    <plugin>
                    <groupId>org.apache.felix</groupId>
                    <artifactId>maven-bundle-plugin</artifactId>
                    <extensions>true</extensions>
                    <configuration>
                        <instructions>

                            <Import-Package>

                                *.*
                            </Import-Package>
                        </instructions>
                    </configuration>
                </plugin>


    I loaded the three individual jar files via http://localhost:4502/system/console/bundles.

    Everything works fine now.

    However, I still do not understand WHY I cannot add these files in the POM and have things work.

    Isn't that the intent of the pom.xml file?

    ronnyfm
    ronnyfm
    Level 4
    June 10, 2016

    Try:

    <plugin> <groupId>org.apache.felix</groupId> <artifactId>maven-bundle-plugin</artifactId> <extensions>true</extensions> <configuration> <instructions> <Export-Package> com.fasterxml.jackson.* </Export-Package> ... ... ... </instructions> </configuration> </plugin>

    You need to export the package.

    V
    vishalsaini
    Level 2
    August 11, 2017

    I tried this. It does resolves the bundle issue but it causes the services to stop.

    JoseBerciano
    JoseBerciano
    Level 3
    October 4, 2017

    Currently facing the same issue here in AEM 6.3 as mentioned in the first post.

    com.fasterxml.jackson.databind,version=[2.9,3) -- Cannot be resolved

    I am using the following dependency in my parent pom

    <dependency>

    <groupId>com.fasterxml.jackson.core</groupId>

    <artifactId>jackson-databind</artifactId>

    <version>2.9.1</version>

    </dependency>

    Downloading the package jackson-databind-2.9.1.jar and installing via package Install/update seems to be fixing the issue, although I was hoping to automate this process in the Maven build

    I tried <Import-Package></Import-Package> but I could not get it to work.

    Any suggestions?

    ronnyfm
    ronnyfm
    Level 4
    October 4, 2017

    Hi,

    Did you try the export bundle as I suggest in a previous post?

    S
    souhaylabdouni
    January 15, 2019

    Hi,

    One solution, that we use in our project is :

    • Add jackson dependencies with maven scope provided

    <!-- JACKSON -->
    <dependency>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-annotations</artifactId>

       <version>${jackson_version}</version>

       <scope>provided</scope>

    </dependency>

    <dependency>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-core</artifactId>

       <version>${jackson_version}</version>

       <scope>provided</scope>

    </dependency>

    <dependency>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-databind</artifactId>

       <version>${jackson_version}</version>

       <scope>provided</scope>

    </dependency>

    • Embed jackson dependencies to your package via content-package-maven-plugin to avoid uploading third party jar via osgi console package install / update

    <build>

       <plugins>

       <plugin>

       <artifactId>maven-clean-plugin</artifactId>

       </plugin>

       <plugin>

       <groupId>com.day.jcr.vault</groupId>

       <artifactId>content-package-maven-plugin</artifactId>

       <configuration>

       <embeddeds>

       <embedded>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-annotations</artifactId>

       <target>/apps/${app-folder}/install</target>

       </embedded>

       <embedded>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-core</artifactId>

       <target>/apps/${app-folder}/install</target>

       </embedded>

       <embedded>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-databind</artifactId>

       <target>/apps/${app-folder}/install</target>

       </embedded>

       </embeddeds>

       </configuration>

       </plugin>

       </plugins>

    </build>

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