Maven Could not resolve dependencies artifacts could not be resolved

Question

This is supposed to be a working project from my friend   He demonstrated the project right in front of me  and then I copied the project  imported it as an existing maven project  I m using m2eclipse plugin    And then  this error occurs  This error can be reproduced every time I try to build something with maven   Doing mvn dependency tree  dependency list  or the usual build package  will result in the same error   The error from running the  package  build from eclipse is    INFO  Scanning for projects     INFO                                                                            INFO  ------------------------------------------------------------------------  INFO  Building Jackpot Portal Webapp 1 0-SNAPSHOT  INFO  ------------------------------------------------------------------------  WARNING  The POM for javax servlet com springsource javax servlet jar 2 5 0 is missing  no dependency information available  WARNING  The POM for javax servlet com springsource javax servlet jsp jstl jar 1 2 0 is missing  no dependency information available  WARNING  The POM for javax transaction com springsource javax transaction jar 1 1 0 is missing  no dependency information available  WARNING  The POM for org slf4j com springsource slf4j log4j jar 1 5 6 is missing  no dependency information available  INFO  ------------------------------------------------------------------------  INFO  BUILD FAILURE  INFO  ------------------------------------------------------------------------  INFO  Total time  0 963s  INFO  Finished at  Tue Jan 11 01 55 41 WIT 2011  INFO  Final Memory  2M 56M  INFO  ------------------------------------------------------------------------   ERROR  Failed to execute goal on project jackpot  Could not resolve dependencies  for project com jeteo jackpot war 1 0-SNAPSHOT  The following artifacts could  not be resolved  javax servlet com springsource javax servlet jar 2 5 0  javax servlet com springsource javax servlet jsp jstl jar 1 2 0   javax transaction com springsource javax transaction jar 1 1 0   org slf4j com springsource slf4j log4j jar 1 5 6  Failure to find  javax servlet com springsource javax servlet jar 2 5 0 in  http   repository springsource com maven bundles release was cached in the  local repository  resolution will not be reattempted until the update  interval of com springsource repository bundles release has elapsed or  updates are forced - gt   Help 1    ERROR    ERROR  To see the full stack trace of the errors  re-run Maven with the -e switch   ERROR  Re-run Maven using the -X switch to enable full debug logging   ERROR    ERROR  For more information about the errors and possible solutions  please read the following articles   ERROR   Help 1  http   cwiki apache org confluence display MAVEN DependencyResolutionException   And here is the content of the pom xml     lt project xmlns  http   maven apache org POM 4 0 0           xmlns xsi  http   www w3 org 2001 XMLSchema-instance           xsi schemaLocation  http   maven apache org POM 4 0 0 http   maven apache org maven-v4 0 0 xsd  gt       lt modelVersion gt 4 0 0 lt  modelVersion gt       lt groupId gt com jeteo lt  groupId gt       lt artifactId gt jackpot lt  artifactId gt       lt packaging gt war lt  packaging gt       lt version gt 1 0-SNAPSHOT lt  version gt       lt name gt Jackpot Portal Webapp lt  name gt       lt url gt http   www jeteo com lt  url gt       lt properties gt           lt java-version gt 1 6 lt  java-version gt           lt org springframework-version gt 3 0 3 RELEASE lt  org springframework-version gt           lt org hibernate-version gt 3 6 0 Final lt  org hibernate-version gt           lt org aspectj-version gt 1 6 9 lt  org aspectj-version gt           lt org slf4j-version gt 1 5 10 lt  org slf4j-version gt       lt  properties gt       lt dependencies gt           lt dependency gt               lt groupId gt org springframework lt  groupId gt               lt artifactId gt spring-webmvc lt  artifactId gt               lt version gt   org springframework-version  lt  version gt           lt  dependency gt           lt dependency gt               lt groupId gt org springframework lt  groupId gt               lt artifactId gt spring-orm lt  artifactId gt               lt version gt   org springframework-version  lt  version gt           lt  dependency gt           lt dependency gt               lt groupId gt org springframework lt  groupId gt               lt artifactId gt spring-test lt  artifactId gt               lt version gt   org springframework-version  lt  version gt           lt  dependency gt           lt dependency gt               lt groupId gt junit lt  groupId gt               lt artifactId gt junit lt  artifactId gt               lt version gt 4 8 1 lt  version gt               lt scope gt test lt  scope gt           lt  dependency gt           lt dependency gt               lt groupId gt net sf jt400 lt  groupId gt               lt artifactId gt jt400 lt  artifactId gt               lt version gt 6 6 lt  version gt               lt scope gt compile lt  scope gt           lt  dependency gt            lt  -- Hibernate -- gt           lt dependency gt               lt groupId gt org hibernate lt  groupId gt               lt artifactId gt hibernate-core lt  artifactId gt               lt version gt   org hibernate-version  lt  version gt               lt scope gt compile lt  scope gt           lt  dependency gt           lt dependency gt               lt groupId gt org hibernate lt  groupId gt               lt artifactId gt hibernate-entitymanager lt  artifactId gt               lt version gt   org hibernate-version  lt  version gt               lt scope gt compile lt  scope gt           lt  dependency gt            lt  -- AspectJ -- gt           lt dependency gt               lt groupId gt org aspectj lt  groupId gt               lt artifactId gt aspectjrt lt  artifactId gt               lt version gt   org aspectj-version  lt  version gt           lt  dependency gt           lt dependency gt               lt groupId gt org aspectj lt  groupId gt               lt artifactId gt aspectjtools lt  artifactId gt               lt version gt   org aspectj-version  lt  version gt           lt  dependency gt            lt dependency gt               lt groupId gt javax servlet lt  groupId gt               lt artifactId gt com springsource javax servlet lt  artifactId gt               lt version gt 2 5 0 lt  version gt               lt scope gt provided lt  scope gt           lt  dependency gt           lt dependency gt               lt groupId gt javax servlet lt  groupId gt               lt artifactId gt com springsource javax servlet jsp jstl lt  artifactId gt               lt version gt 1 2 0 lt  version gt               lt scope gt provided lt  scope gt           lt  dependency gt           lt  --          lt dependency gt            lt groupId gt javax persistence lt  groupId gt            lt artifactId gt com springsource javax persistence lt  artifactId gt            lt version gt 1 0 0 lt  version gt            lt scope gt compile lt  scope gt           lt  dependency gt          -- gt           lt dependency gt               lt groupId gt javax transaction lt  groupId gt               lt artifactId gt com springsource javax transaction lt  artifactId gt               lt version gt 1 1 0 lt  version gt               lt scope gt compile lt  scope gt           lt  dependency gt           lt dependency gt               lt groupId gt org slf4j lt  groupId gt               lt artifactId gt slf4j-api lt  artifactId gt               lt version gt 1 5 6 lt  version gt           lt  dependency gt           lt dependency gt               lt groupId gt org slf4j lt  groupId gt               lt artifactId gt com springsource slf4j log4j lt  artifactId gt               lt version gt 1 5 6 lt  version gt           lt  dependency gt           lt dependency gt               lt groupId gt mysql lt  groupId gt               lt artifactId gt mysql-connector-java lt  artifactId gt               lt version gt 5 1 11 lt  version gt               lt type gt jar lt  type gt               lt scope gt compile lt  scope gt           lt  dependency gt        lt  dependencies gt       lt repositories gt           lt  -- Spring releases -- gt           lt repository gt               lt id gt com springsource repository bundles release lt  id gt               lt name gt Spring Maven Repository Repository lt  name gt               lt url gt http   repository springsource com maven bundles release lt  url gt           lt  repository gt           lt  -- For hibernate 3 6 support -- gt           lt repository gt               lt id gt jboss lt  id gt               lt url gt https   repository jboss org nexus content groups public  lt  url gt           lt  repository gt       lt  repositories gt       lt build gt           lt finalName gt jackpot lt  finalName gt           lt plugins gt               lt plugin gt                   lt groupId gt org codehaus mojo lt  groupId gt                   lt artifactId gt tomcat-maven-plugin lt  artifactId gt                   lt version gt 1 1 lt  version gt                   lt configuration gt                       lt url gt http   localhost 8080 manager lt  url gt                   lt  configuration gt               lt  plugin gt               lt plugin gt                   lt groupId gt org apache maven plugins lt  groupId gt                   lt artifactId gt maven-compiler-plugin lt  artifactId gt                   lt version gt 2 0 2 lt  version gt                   lt configuration gt                       lt source gt 1 6 lt  source gt                       lt target gt 1 6 lt  target gt                   lt  configuration gt               lt  plugin gt           lt  plugins gt       lt  build gt   lt  project gt    I ve tried downloading the newest version of maven  and included it in the eclipse helios  but still the same problem  The same error message happens even when I run it it in the shell command line  outside eclipse    What am I missing

User · Answer

I have had a similar problem and I fixed it by adding the below repos in my pom xml    lt repository gt       lt id gt org springframework maven release lt  id gt       lt name gt Spring Maven Release Repository lt  name gt       lt url gt http   repo springsource org libs-release-local lt  url gt       lt releases gt  lt enabled gt true lt  enabled gt  lt  releases gt       lt snapshots gt  lt enabled gt false lt  enabled gt  lt  snapshots gt   lt  repository gt   lt  -- For testing against latest Spring snapshots -- gt   lt repository gt       lt id gt org springframework maven snapshot lt  id gt       lt name gt Spring Maven Snapshot Repository lt  name gt       lt url gt http   repo springsource org libs-snapshot-local lt  url gt       lt releases gt  lt enabled gt false lt  enabled gt  lt  releases gt       lt snapshots gt  lt enabled gt true lt  enabled gt  lt  snapshots gt   lt  repository gt   lt  -- For developing against latest Spring milestones -- gt   lt repository gt       lt id gt org springframework maven milestone lt  id gt       lt name gt Spring Maven Milestone Repository lt  name gt       lt url gt http   repo springsource org libs-milestone-local lt  url gt       lt snapshots gt  lt enabled gt false lt  enabled gt  lt  snapshots gt   lt  repository gt

User · Answer

I had this problem   In my case it was caused by IntelliJ Idea messing around with some of the pom xml files  which it seems to enjoy doing     I just reverted to the original copy and things worked again

User · Answer

As an alternative source to the same problem  this answer cites using Maven 3 versus Maven 2 as the potential cause of this issue  Near as I can tell  this is due to changes in local repository resolution that was changed in Maven 3  Putting this here in case anyone else googles for it and reaches this answer  as I did

User · Answer

Maven kept your files on cache  and don t retry to download them  You can simply manually  help  him by deleting the  m2 directory  and then our friend will download everything over the old dependencies

User · Answer

My EAR project had 2 modules   ear and   war and I got this dependency error on   war project when trying mvn eclipse eclipse  Resolved it by fixing utf-8 encoding issue in the   war project  mvn -X or -e options weren t of help here

User · Answer

This kind of problems are caused by two reasons    the spell of a dependency is wrong  the config of mvn setting  ie     m2 settings xml  is wrong   If most of dependencies can be downloaded  then the reason 1 may be the most likely bug  On the contrary  if most of dependencies have the problem  then u should take a look at settings xml   Well  I have tried to fix my problem the whole afternoon  and finally I got it  My problem occurs in settings xml  not the lose or wrong spelling of settings xml  but the lose of activeProfiles

User · Answer

Have come across such issue  The root cause is the  m2 folder  You gotta make sure that whatever you re trying to access is present there in your  m2 folder  this is your local repo   If the stuff is there then you re good  This is usually present inside of users folder on your system  be it mac linux or even windows

User · Answer

Turns out that it happened because of the firewall on my computer  Turning it off worked for me

User · Answer

Looks like you are missing some Maven repos  Ask for your friend s  m2 settings xml  and you ll probably want to update the POM to include the repositories there   --edit  after some quick googling  try adding this to your POM    lt repository gt       lt id gt com springsource repository bundles release lt  id gt       lt name gt SpringSource Enterprise Bundle Repository - SpringSource Bundle Releases lt  name gt       lt url gt http   repository springsource com maven bundles release lt  url gt   lt  repository gt   lt repository gt       lt id gt com springsource repository bundles external lt  id gt       lt name gt SpringSource Enterprise Bundle Repository - External Bundle Releases lt  name gt       lt url gt http   repository springsource com maven bundles external lt  url gt   lt  repository gt

User · Answer

Download the jar manually and then execute the command from the folder where the jar is saved    mvn install install-file -Dfile  jar file name  jar-DgroupId  group id  -DartifactId  artifact id  -Dversion  version no  -Dpackaging jar    The jar file  jar file name  group id  artifact id and version no are available from the maven repository page

User · Answer

I had this problem as well  it turned out it was because of NetBeans adding something to my pom xml file  Double check nothing was added since previous successful deployments

User · Answer

I ve got a similar message and my problem were some proxy preferences in my settings xml  So i disabled them and everything works fine

User · Answer

The artifactId for all the dependencies that failed to download are incorrect - for some reason they are prefixed with com springsource   Cut paste issue   You can try replacing them as follows    lt dependency gt       lt groupId gt javax servlet lt  groupId gt       lt artifactId gt jstl lt  artifactId gt       lt version gt 1 2 0 lt  version gt       lt scope gt provided lt  scope gt   lt  dependency gt   lt dependency gt       lt groupId gt javax servlet lt  groupId gt       lt artifactId gt servlet-api lt  artifactId gt       lt version gt 2 5 lt  version gt       lt scope gt provided lt  scope gt   lt  dependency gt   lt dependency gt       lt groupId gt javax transaction lt  groupId gt       lt artifactId gt jta lt  artifactId gt       lt version gt 1 1 0 lt  version gt   lt  dependency gt   lt dependency gt       lt groupId gt org slf4j lt  groupId gt       lt artifactId gt slf4j-log4j12 lt  artifactId gt       lt version gt 1 5 6 lt  version gt   lt  dependency gt    You may also want to add the maven central repository for these artifacts in case they are not available in the specified repositories    lt repository gt       lt id gt maven2 lt  id gt       lt url gt http   repo1 maven org maven2 lt  url gt   lt  repository gt

User · Answer

mvn clean install -U   Solved my problem  Since the repos were cached  I needed to force it to get latest version

[maven] Maven Could not resolve dependencies, artifacts could not be resolved

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