Docker : Solr not getting deployed UnknownHostError

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Active Member

Docker : Solr not getting deployed UnknownHostError

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Hi Everyone!

 

I am just trying to get this project going for a POC. But I am having trouble with solr. It keeps throwing errors. I followed the instructions stated on this read me https://github.com/Alfresco/alfresco-docker-installer but I end up getting the error below

2020-11-01 22:15:50.018 ERROR (org.alfresco.solr.AlfrescoCoreAdminHandler@648ee871_Worker-27) [ ] o.a.s.t.ShardStatePublisher Unable to publish this node state. A failure condition has been met during the outbound subscription message encoding process. See the stacktrace below for further details.
java.net.UnknownHostException: alfresco
...

Please see ther solr portion of the docker-compose file below. What should the property SOLR_ALFRESCO_HOST be assigned to? alfresco is definately not a host, I see where the error is going with this. 

 

solr6:
        build:
          context: ./search
          args:
            SEARCH_TAG: $SEARCH_CE_TAG
            SOLR_HOSTNAME: solr6
            ALFRESCO_HOSTNAME: localhost
            ALFRESCO_COMMS: none
            CROSS_LOCALE: "true"
        mem_limit: 1184m
        environment:
            #Solr needs to know how to register itself with Alfresco
            SOLR_ALFRESCO_HOST: "alfresco"
            SOLR_ALFRESCO_PORT: "8080"
            #Alfresco needs to know how to call solr
            SOLR_SOLR_HOST: "solr6"
            SOLR_SOLR_PORT: "8983"
            #Create the default alfresco and archive cores
            SOLR_CREATE_ALFRESCO_DEFAULTS: "alfresco,archive"
            SOLR_JAVA_MEM: "-Xms928m -Xmx928m"
            SOLR_OPTS: "
                -XX:NewSize=336m
                -XX:MaxNewSize=336m
            "
        volumes: 
            - ./data/solr-data:/opt/alfresco-search-services/data  

 

I can't figure out what is missing.

 

I initially followed the solution that I accepted here. That document  at least got me to the point of actually reaching the login screen but I could not login because of the same exception that I posted above.

Need to move forward with this. SEND HELP!

 

 

1 Solution

Accepted Solutions
Moderator
Moderator

Re: Docker : Solr not getting deployed UnknownHostError

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I am not sure how you checked the docker-compose.yml living here: https://github.com/Alfresco/acs-community-deployment/blob/master/docker-compose/docker-compose.yml

There is a major difference between what you shared and this

However, based on the logs you have shared it looks like the alfresco container did not start correctly. This could be likely due to memory issues. 

Can you run following commands and share what you see?

 

To see what all containers running:

docker ps

OR To see all containers including the exited containers:

docker ps -a
check resources:

docker stats

Minimum 12GB or more, memory is required depending on the memory limits set in the docker compose file. 

 

Some details can be found here as well:

https://hub.alfresco.com/t5/alfresco-content-services-forum/new-to-alfresco-not-able-to-login-docker...

~Abhinav
(ACSCE, AWS SAA-C02, GAIQ)

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6 Replies
Community Manager
Community Manager

Re: Docker : Solr not getting deployed UnknownHostError

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Hi @flowthinks 

This is looking more like an Alfresco repo rather than a SOLR issue.

Could you report on what the Alfresco log is reporting?

Thanks,

Digital Community Manager, Alfresco Software.
Problem solved? Click Accept as Solution!
Moderator
Moderator

Re: Docker : Solr not getting deployed UnknownHostError

Jump to solution

 

2020-11-01 22:15:50.018 ERROR (org.alfresco.solr.AlfrescoCoreAdminHandler@648ee871_Worker-27) [ ] o.a.s.t.ShardStatePublisher Unable to publish this node state. A failure condition has been met during the outbound subscription message encoding process. See the stacktrace below for further details.
java.net.UnknownHostException: alfresco
...

Please see ther solr portion of the docker-compose file below. What should the property SOLR_ALFRESCO_HOST be assigned to? alfresco is definately not a host, I see where the error is going with this. 

 

solr6:
        build:
          context: ./search
          args:
            SEARCH_TAG: $SEARCH_CE_TAG
            SOLR_HOSTNAME: solr6
            ALFRESCO_HOSTNAME: localhost
            ALFRESCO_COMMS: none
            CROSS_LOCALE: "true"
        mem_limit: 1184m
        environment:
            #Solr needs to know how to register itself with Alfresco
            SOLR_ALFRESCO_HOST: "alfresco"
            SOLR_ALFRESCO_PORT: "8080"
            #Alfresco needs to know how to call solr
            SOLR_SOLR_HOST: "solr6"
            SOLR_SOLR_PORT: "8983"
            #Create the default alfresco and archive cores
            SOLR_CREATE_ALFRESCO_DEFAULTS: "alfresco,archive"
            SOLR_JAVA_MEM: "-Xms928m -Xmx928m"
            SOLR_OPTS: "
                -XX:NewSize=336m
                -XX:MaxNewSize=336m
            "
        volumes: 
            - ./data/solr-data:/opt/alfresco-search-services/data  

 

I can't figure out what is missing.

 

I initially followed the solution that I accepted here. That document  at least got me to the point of actually reaching the login screen but I could not login because of the same exception that I posted above.

Need to move forward with this. SEND HELP!

 

 


Can you share the full docker-compose.yml file generated via alfresco-docker-installer tool? 

I would recommed to use this docker-compose.yml file: https://github.com/Alfresco/acs-community-deployment/blob/master/docker-compose/docker-compose.yml

and see if everything works as expected. Then go back to the tool only if you have requirement such as ssl, proxy, ftp etc. types of specific needs.

~Abhinav
(ACSCE, AWS SAA-C02, GAIQ)
Active Member

Re: Docker : Solr not getting deployed UnknownHostError

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Hi @EddieMay  Below is the installer input I gave. Initially the acs version was 6.2. Downgraded but that did not help.

 

 

installer inputinstaller input

 

This is the output when I ran the start script 

./start.sh
Start docker compose
Building alfresco
Step 1/14 : ARG ALFRESCO_TAG
Step 2/14 : FROM alfresco/alfresco-content-repository-community:${ALFRESCO_TAG}
 ---> 6edaf25aded1
Step 3/14 : ARG TOMCAT_DIR=/usr/local/tomcat
 ---> Using cache
 ---> 0f60d6b52b6e
Step 4/14 : USER root
 ---> Using cache
 ---> 472ad55bcb5f
Step 5/14 : RUN mkdir -p $TOMCAT_DIR/amps
 ---> Using cache
 ---> 4ad6d7bd88c8
Step 6/14 : COPY modules/amps $TOMCAT_DIR/amps
 ---> Using cache
 ---> 23f53a8af002
Step 7/14 : COPY modules/jars $TOMCAT_DIR/webapps/alfresco/WEB-INF/lib
 ---> Using cache
 ---> 4b892371306d
Step 8/14 : RUN java -jar $TOMCAT_DIR/alfresco-mmt/alfresco-mmt*.jar install     $TOMCAT_DIR/amps $TOMCAT_DIR/webapps/alfresco -directory -nobackup -force
 ---> Using cache
 ---> fa225943513b
Step 9/14 : ARG API_EXPLORER_TAG
 ---> Using cache
 ---> d3b0981b1cd4
Step 10/14 : ENV API_EXPLORER_TAG $API_EXPLORER_TAG
 ---> Using cache
 ---> 7e3223ec96c2
Step 11/14 : RUN yum -y update &&  yum -y install wget &&  yum clean all &&  set -x     && wget https://artifacts.alfresco.com/nexus/service/local/repositories/releases/content/org/alfresco/api-explorer/${API_EXPLORER_TAG}/api-explorer-${API_EXPLORER_TAG}.war     -O /usr/local/tomcat/webapps/api-explorer.war
 ---> Using cache
 ---> 82da8985041c
Step 12/14 : ARG DB
 ---> Using cache
 ---> c7ff7dbc13d8
Step 13/14 : ENV DB $DB
 ---> Using cache
 ---> 9e511c3d5aad
Step 14/14 : RUN if [ "$DB" == "mariadb" ] ; then     set -x         && yum install -y wget         && yum clean all         && wget -P /tmp/ http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-8.0.13.tar.gz         && tar xvf /tmp/mysql-connector-java-8.0.13.tar.gz -C /tmp/         && cp /tmp/mysql-connector-java-8.0.13/mysql-connector-java-8.0.13.jar $TOMCAT_DIR/lib/         && rm -rf /tmp/mysql-connector-java-8.0.13.tar.gz /tmp/mysql-connector-java-8.0.13; fi
 ---> Using cache
 ---> e77e290730c1

Successfully built e77e290730c1
Successfully tagged alfresco-installer_alfresco:latest
Building solr6
Step 1/13 : ARG SEARCH_TAG
Step 2/13 : FROM alfresco/alfresco-search-services:${SEARCH_TAG}
 ---> c877e77771f4
Step 3/13 : ARG ALFRESCO_HOSTNAME
 ---> Using cache
 ---> 99a4288f3f2e
Step 4/13 : ARG SOLR_HOSTNAME
 ---> Using cache
 ---> 8b992f830cd0
Step 5/13 : ENV ALFRESCO_HOSTNAME $ALFRESCO_HOSTNAME
 ---> Using cache
 ---> 4eb812669759
Step 6/13 : ENV SOLR_HOSTNAME $SOLR_HOSTNAME
 ---> Using cache
 ---> 60fde1dd0f13
Step 7/13 : RUN sed -i '/^bash.*/i sed -i "'"s/alfresco.host=localhost/alfresco.host=${ALFRESCO_HOSTNAME}/g"'" ${DIST_DIR}/solrhome/templates/rerank/conf/solrcore.properties\n'     ${DIST_DIR}/solr/bin/search_config_setup.sh &&     sed -i '/^bash.*/i sed -i "'"s/solr.host=localhost/solr.host=${SOLR_HOSTNAME}/g"'" ${DIST_DIR}/solrhome/conf/shared.properties\n'     ${DIST_DIR}/solr/bin/search_config_setup.sh
 ---> Using cache
 ---> 7fe375562adf
Step 8/13 : ARG CROSS_LOCALE
 ---> Using cache
 ---> 1a92cbdf976b
Step 9/13 : ENV CROSS_LOCALE $CROSS_LOCALE
 ---> Using cache
 ---> 4e6399938efb
Step 10/13 : RUN if [ "$CROSS_LOCALE" == "true" ] ; then     sed -i '/^bash.*/i sed -i "'"/alfresco.cross.locale.datatype/s/^#//g"'" $DIST_DIR/solrhome/conf/shared.properties\n'     ${DIST_DIR}/solr/bin/search_config_setup.sh; fi
 ---> Using cache
 ---> 4a1ccb669788
Step 11/13 : ARG ALFRESCO_COMMS
 ---> Using cache
 ---> ed04a0e6be57
Step 12/13 : ENV ALFRESCO_COMMS $ALFRESCO_COMMS
 ---> Using cache
 ---> 83f1bc5cde58
Step 13/13 : RUN if [ "$ALFRESCO_COMMS" == "https" ] ; then     sed -i '/^bash.*/i sed -i "'"s/alfresco.secureComms=none/alfresco.secureComms=https/g"'" ${DIST_DIR}/solrhome/templates/rerank/conf/solrcore.properties\n'     ${DIST_DIR}/solr/bin/search_config_setup.sh; else     sed -i '/^bash.*/i sed -i "'"s/alfresco.secureComms=https/alfresco.secureComms=none/g"'" ${DIST_DIR}/solrhome/templates/rerank/conf/solrcore.properties\n'     ${DIST_DIR}/solr/bin/search_config_setup.sh; fi
 ---> Using cache
 ---> c2629736d825

Successfully built c2629736d825
Successfully tagged alfresco-installer_solr6:latest
Building share
Step 1/10 : ARG SHARE_TAG
Step 2/10 : FROM alfresco/alfresco-share:${SHARE_TAG}
 ---> 0dfa83b79029
Step 3/10 : ARG TOMCAT_DIR=/usr/local/tomcat
 ---> Using cache
 ---> 6b003149880f
Step 4/10 : ARG SERVER_NAME
 ---> Using cache
 ---> dc06776efb13
Step 5/10 : USER root
 ---> Using cache
 ---> 791682cbb16d
Step 6/10 : RUN mkdir -p $TOMCAT_DIR/amps
 ---> Using cache
 ---> 519f888e829b
Step 7/10 : COPY modules/amps $TOMCAT_DIR/amps
 ---> Using cache
 ---> 97a058d64e2d
Step 8/10 : COPY modules/jars $TOMCAT_DIR/webapps/share/WEB-INF/lib
 ---> Using cache
 ---> 9fa8be8c4822
Step 9/10 : RUN java -jar $TOMCAT_DIR/alfresco-mmt/alfresco-mmt*.jar install     $TOMCAT_DIR/amps $TOMCAT_DIR/webapps/share -directory -nobackup -force
 ---> Using cache
 ---> c08f2d093448
Step 10/10 : COPY web-extension/share-config-custom-dev.xml $TOMCAT_DIR/shared/classes/alfresco/web-extension/
 ---> Using cache
 ---> 9163262eca2f

Successfully built 9163262eca2f
Successfully tagged alfresco-installer_share:latest
alfresco-installer_share_1 is up-to-date
alfresco-installer_postgres_1 is up-to-date
Starting alfresco-installer_alfresco_1 ... 
Starting alfresco-installer_alfresco_1 ... done
alfresco-installer_content-app_1 is up-to-date
alfresco-installer_proxy_1 is up-to-date
Waiting for alfresco to boot ...
waiting for 1 resources: http://localhost:80/alfresco/
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...
  HTTP(S) error for http://localhost:80/alfresco/ Error: Request failed with status code 502
making HTTP(S) head request to  url:http://localhost:80/alfresco/ ...

Below is the stack trace that I mentioned in the issue description again.

solr6_1 | at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

solr6_1 | at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)

solr6_1 | 2020-11-02 21:14:30.005 ERROR (org.alfresco.solr.AlfrescoCoreAdminHandler@28cb9120_Worker-12) [ ] o.a.s.t.AbstractTracker Tracking failed for AclTracker - alfresco

solr6_1 | java.net.UnknownHostException: alfresco

solr6_1 | at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:220)

solr6_1 | at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403)

solr6_1 | at java.base/java.net.Socket.connect(Socket.java:591)

solr6_1 | at java.base/java.net.Socket.connect(Socket.java:540)

solr6_1 | at java.base/java.net.Socket.<init>(Socket.java:436)

solr6_1 | at java.base/java.net.Socket.<init>(Socket.java:288)

solr6_1 | at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:80)

solr6_1 | at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:122)

solr6_1 | at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)

solr6_1 | at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1361)

solr6_1 | at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)

solr6_1 | at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)

solr6_1 | at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)

solr6_1 | at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)

solr6_1 | at org.alfresco.httpclient.AbstractHttpClient.executeMethod(AbstractHttpClient.java:135)

solr6_1 | at org.alfresco.httpclient.AbstractHttpClient.sendRemoteRequest(AbstractHttpClient.java:111)

solr6_1 | at org.alfresco.httpclient.HttpClientFactory$DefaultHttpClient.sendRequest(HttpClientFactory.java:430)

solr6_1 | at org.alfresco.solr.client.SOLRAPIClient.getAclChangeSets(SOLRAPIClient.java:166)

solr6_1 | at org.alfresco.solr.tracker.AclTracker.checkRepoAndIndexConsistency(AclTracker.java:326)

solr6_1 | at org.alfresco.solr.tracker.AclTracker.trackRepository(AclTracker.java:303)

solr6_1 | at org.alfresco.solr.tracker.AclTracker.doTrack(AclTracker.java:95)

solr6_1 | at org.alfresco.solr.tracker.AbstractTracker.track(AbstractTracker.java:215)

solr6_1 | at org.alfresco.solr.tracker.TrackerJob.execute(TrackerJob.java:47)

solr6_1 | at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

solr6_1 |

 

@abhinavmishra14  This is the docker-compose file that was generated with the acs version 6.1.

I copied and pasted the the contents of the yml file you sent a link to in your response and there was no difference compared to the file I have. Only white space characters.

# Using version 2 as 3 does not support resource constraint options (cpu_*, mem_* limits) for non swarm mode in Compose
version: "2"

services:

    alfresco:
        build:
          context: ./alfresco
          args:
            ALFRESCO_TAG: ${ALFRESCO_CE_TAG}
            DB: postgres
            API_EXPLORER_TAG: ${API_EXPLORER_TAG}
        mem_limit: 4416m
        environment:
            JAVA_OPTS : '
                -Ddb.username=alfresco
                -Ddb.password=alfresco 
                -Ddb.driver=org.postgresql.Driver
                -Ddb.url=jdbc:postgresql://postgres:5432/alfresco  
                -Dsolr.host=solr6
                -Dsolr.secureComms=none
                -Dsolr.baseUrl=/solr
                -Dindex.subsystem.name=solr6
                -Dalfresco.host=${SERVER_NAME}
                -Dalfresco.port=80
                
                -Dshare.host=${SERVER_NAME}
                -Dshare.port=80
                
                -Daos.baseUrlOverwrite=http://${SERVER_NAME}/alfresco/aos
                -Ddeployment.method=DOCKER_COMPOSE
                -Dcsrf.filter.enabled=false 
                -Dopencmis.server.override=true
                -Dopencmis.server.value=http://${SERVER_NAME}:80
                -Dalfresco.restApi.basicAuthScheme=true
                -Dmessaging.subsystem.autoStart=false
                -Dauthentication.protection.enabled=false
                -XX:+UseG1GC -XX:+UseStringDeduplication
                
                -Xms3904m -Xmx3904m   
                '
        volumes: 
            - ./data/alf-repo-data:/usr/local/tomcat/alf_data
            - ./logs/alfresco:/usr/local/tomcat/logs   
        

    solr6:
        build:
          context: ./search
          args:
            SEARCH_TAG: $SEARCH_CE_TAG
            SOLR_HOSTNAME: solr6
            ALFRESCO_HOSTNAME: alfresco
            ALFRESCO_COMMS: none
            CROSS_LOCALE: "true"
        mem_limit: 2208m
        environment:
            #Solr needs to know how to register itself with Alfresco
            SOLR_ALFRESCO_HOST: "alfresco"
            SOLR_ALFRESCO_PORT: "8080"
            #Alfresco needs to know how to call solr
            SOLR_SOLR_HOST: "solr6"
            SOLR_SOLR_PORT: "8983"
            #Create the default alfresco and archive cores
            SOLR_CREATE_ALFRESCO_DEFAULTS: "alfresco,archive"
            SOLR_JAVA_MEM: "-Xms1952m -Xmx1952m"
            SOLR_OPTS: "
                -XX:NewSize=848m
                -XX:MaxNewSize=848m
            "
        volumes: 
            - ./data/solr-data:/opt/alfresco-search-services/data  

    share:
        build:
          context: ./share
          args:
            SHARE_TAG: ${SHARE_TAG}
            SERVER_NAME: ${SERVER_NAME}
        mem_limit: 1104m
        environment:
            REPO_HOST: "alfresco"
            REPO_PORT: "8080"
            JAVA_OPTS: "
                -Xms976m -Xmx976m
                -Dalfresco.context=alfresco
                -Dalfresco.protocol=http
                "
        volumes: 
            - ./logs/share:/usr/local/tomcat/logs  

    
    postgres:
        image: postgres:${POSTGRES_TAG}
        mem_limit: 1104m
        environment:
            - POSTGRES_PASSWORD=alfresco
            - POSTGRES_USER=alfresco
            - POSTGRES_DB=alfresco
        command: "
            postgres
              -c max_connections=200
              -c logging_collector=on
              -c log_min_messages=LOG
              -c log_directory=/var/log/postgresql"
        ports:
            - 5432:5432
        volumes: 
            - ./data/postgres-data:/var/lib/postgresql/data
            - ./logs/postgres:/var/log/postgresql  
     

    content-app:
        image: alfresco/alfresco-content-app:${ACA_TAG}
        mem_limit: 256m
        depends_on:
            - alfresco

    # HTTP proxy to provide HTTP Default port access to services
    # SOLR API and SOLR Web Console are protected to avoid unauthenticated access
    proxy:
        image: angelborroy/acs-proxy:1.2.0
        mem_limit: 128m
        environment:
            - PORT=80
        depends_on:
            - alfresco
            - solr6
            - share
            - content-app
        volumes:
            - ./config/nginx.htpasswd:/etc/nginx/conf.d/nginx.htpasswd 
        ports:
            - 80:80

I really hope this helps help me!

Thank you

Moderator
Moderator

Re: Docker : Solr not getting deployed UnknownHostError

Jump to solution

I am not sure how you checked the docker-compose.yml living here: https://github.com/Alfresco/acs-community-deployment/blob/master/docker-compose/docker-compose.yml

There is a major difference between what you shared and this

However, based on the logs you have shared it looks like the alfresco container did not start correctly. This could be likely due to memory issues. 

Can you run following commands and share what you see?

 

To see what all containers running:

docker ps

OR To see all containers including the exited containers:

docker ps -a
check resources:

docker stats

Minimum 12GB or more, memory is required depending on the memory limits set in the docker compose file. 

 

Some details can be found here as well:

https://hub.alfresco.com/t5/alfresco-content-services-forum/new-to-alfresco-not-able-to-login-docker...

~Abhinav
(ACSCE, AWS SAA-C02, GAIQ)

View solution in original post

Active Member

Re: Docker : Solr not getting deployed UnknownHostError

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That is correct. Thank you. My RAM allocation to docker is inefficient.

Moderator
Moderator

Re: Docker : Solr not getting deployed UnknownHostError

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Glad to hear that you are able to figure out the issue. Good luck.

~Abhinav
(ACSCE, AWS SAA-C02, GAIQ)