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https://issues.apache.org/jira/browse/IVY-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12561024#action_12561024
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Xavier Hanin commented on IVY-707:
----------------------------------
I'm referring to Jim's example, but I guess you need some information on how
the latest-compatible conflict manager works to understand why Ivy doesn't have
the information about the latest revision of module b. Ivy resolves
dependencies using a depth first algorithm. So in this case when it resolves
the dependency on b;latest.integration, it already has the information that c
depends on b;1.0.0.bbb_b, and since latest.integration is compatible with any
version, it assumes that 1.0.0.bbb_b wins the conflict over latest.integration
without actually resolving what latest.integration is, since it will end up
with 1.0.0.bbb_b anyway (with latest-compatible). That's why we don't have the
actual information on what latest.integration is.
If you change the order, and put the dependency on b;latest.integration first,
Ivy will actually resolve this version, then find the conflict when resolving c
(or no conflict if the latest version of b is actually the same as asked by c)
and resolve it at that time. In the end, you will end up with the same module
set whatever the order of dependencies is. But the order still has an effect on
the resolution of dynamic revisions, which impacts how deliver is done. And I
agree this is not a good side effect of this optimization... So maybe we
should always actually resolve the dynamic revision at first level, to be sure
the deliver is not impacted by the order of dependencies.
> Deliver delivers the wrong version when a dynamic revision is evicted before
> being resolved
> -------------------------------------------------------------------------------------------
>
> Key: IVY-707
> URL: https://issues.apache.org/jira/browse/IVY-707
> Project: Ivy
> Issue Type: Bug
> Affects Versions: 2.0.0-beta-1
> Environment: Unix
> Reporter: Jim Adams
> Assignee: Xavier Hanin
> Fix For: 2.0.0-beta-2
>
> Attachments: testIvy.zip
>
>
> I have 3 modules A, B, and C. C->B->A. These are in the repo with version
> 1.0.0. I then have an ivy.xml for the module test which has dependencies of
> A(latest.integration), C(latest.integration) and B(latest.integration) in
> that order. Order seems to change the outcome. During the resolve I see
> messages when resolving each of the modules that seems incorrect but that may
> only be a symptom of the real problem. A resolves to a version, C resolves
> and brings in B. B resolves A again but instead of listing the version number
> in the repo for A it lists latest.integration. In this case that will return
> the correct version but it seems wrong to see latest.integration and not
> 1.0.0. In any case the resolve finishes and we deliver the ivy.xml file and
> publish it. What gets published includes a list of dependencies that includes
> latest.integration for the resolved version. This is clearly wrong and is
> causing us lots of pain in our environment. If we move to latest-revision as
> the conflict manager then the problem goes away.
> Here are the 3 ivy files from the repo:
> <?xml version="1.0" encoding="UTF-8"?>
> <ivy-module version="1.3">
> <info organisation="SAS" module="a" revision="1.0.0.aaa_a"
> status="integration" publication="20080117045213"/>
> <configurations>
> <conf name="compile"/>
> </configurations>
> <publications/>
> <dependencies>
>
> </dependencies>
> </ivy-module>
> <?xml version="1.0" encoding="UTF-8"?>
> <ivy-module version="1.3">
> <info organisation="SAS" module="b" revision="1.0.0.bbb_b"
> status="integration" publication="20080117045213"/>
> <configurations>
> <conf name="compile"/>
> </configurations>
> <publications/>
> <dependencies>
> <dependency name="a" rev="1.0.0.aaa_a" org="SAS" conf="compile"/>
> </dependencies>
> </ivy-module>
> <?xml version="1.0" encoding="UTF-8"?>
> <ivy-module version="1.3">
> <info organisation="SAS" module="c" revision="1.0.0.ccc_c"
> status="integration" publication="20080117045213"/>
> <configurations>
> <conf name="compile"/>
> </configurations>
> <publications/>
> <dependencies>
> <dependency name="b" rev="1.0.0.bbb_b" org="SAS" conf="compile"/>
> </dependencies>
> </ivy-module>
> Here is the source ivy.xml file:
> <?xml version='1.0' encoding='UTF-8'?>
> <ivy-module version='1.3'>
> <info status='integration' module='test' organisation='SAS'>
> <ivyauthor name='SAS Build Technologies Team'
> url='http://bt.unx.sas.com'/>
> <description>Please describe sas.svc.sec.login here.</description>
> </info>
> <configurations>
> <conf name='compile'/>
> <!--conf name='runtime'-->
> </configurations>
> <publications>
> </publications>
> <dependencies>
> <dependency name='a' rev='latest.integration' org='SAS' conf='compile'/>
> <dependency name='c' rev='latest.integration' org='SAS' conf='compile'/>
> <dependency name='b' rev='latest.integration' org='SAS' conf='compile'/>
> </dependencies>
> </ivy-module>
> and here is the published ivy file
> <?xml version="1.0" encoding="UTF-8"?>
> <ivy-module version="1.3">
> <info organisation="SAS" module="test" revision="20080117162421"
> status="integration" publication="20080117162421">
> <ivyauthor name="SAS Build Technologies Team"
> url="http://bt.unx.sas.com"/>
> <description>Please describe sas.svc.sec.login here.</description>
> </info>
> <configurations>
> <conf name="compile"/>
> <!--conf name='runtime'-->
> </configurations>
> <publications>
> </publications>
> <dependencies>
> <dependency name="a" rev="1.0.0.aaa_a" org="SAS" conf="compile"/>
> <dependency name="c" rev="1.0.0.ccc_c" org="SAS" conf="compile"/>
> <dependency name="b" rev="latest.integration" org="SAS" conf="compile"/>
> </dependencies>
> </ivy-module>
> Here is the resolve portion of the log:
> [ivy:resolve] parameter found as ivy variable: ivy.configurations=*
> [ivy:resolve] parameter found as ivy variable:
> ivy.resolve.default.type.filter=*
> [ivy:resolve] using ivy parser to parse file:/sasusr/u/sasjaa/testIvy/ivy.xml
> [ivy:resolve] post 1.3 ivy file: using exact as default matcher
> [ivy:resolve] :: resolving dependencies :: SAS#test;[EMAIL PROTECTED]
> [ivy:resolve] confs: [compile]
> [ivy:resolve] validate = true
> [ivy:resolve] resolving dependencies for configuration 'compile'
> [ivy:resolve] == resolving dependencies for SAS#test;[EMAIL PROTECTED]
> [compile]
> [ivy:resolve] loadData of SAS#test;[EMAIL PROTECTED] of rootConf=compile
> [ivy:resolve] == resolving dependencies SAS#test;[EMAIL
> PROTECTED]>SAS#a;latest.integration [compile->compile]
> [ivy:resolve] loadData of SAS#a;latest.integration of rootConf=compile
> [ivy:resolve] using sas-repo to resolve SAS#a;latest.integration
> [ivy:resolve] sas-repo: no latest strategy defined: using default
> [ivy:resolve] local: no namespace defined: using system
> [ivy:resolve] local: no latest strategy defined: using default
> [ivy:resolve] trying
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/latest.integration/ivy.xml
> [ivy:resolve] tried
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/latest.integration/ivy.xml
> [ivy:resolve] tried
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/[revision]/ivy.xml
> [ivy:resolve] listing all in
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/[revision]/ivy.xml
> [ivy:resolve] using local to list all in
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/
> [ivy:resolve] found 1 resources
> [ivy:resolve] found revs: [1.0.0.aaa_a]
> [ivy:resolve] local: found md file for SAS#a;latest.integration
> [ivy:resolve] =>
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/1.0.0.aaa_a/ivy.xml (1.0.0.aaa_a)
> [ivy:resolve] parser = ivy parser
> [ivy:resolve] no ivy file in cache for SAS#a;1.0.0.aaa_a: tried
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/SAS/a/ivy-1.0.0.aaa_a.xml
> [ivy:resolve] downloading
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/1.0.0.aaa_a/ivy.xml ...
> [ivy:resolve] local: downloading
> /sasusr/u/sasjaa/testIvy/repo/SAS/a/1.0.0.aaa_a/ivy.xml
> [ivy:resolve] to
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/a/ivys/ivy.original-1.0.0.aaa_a.xml.part
> [ivy:resolve] [SUCCESSFUL ] SAS#a;1.0.0.aaa_a!ivy.original.xml(ivy)
> (35ms)
> [ivy:resolve] post 1.3 ivy file: using exact as default matcher
> [ivy:resolve] cache: parsed downloaded md file for SAS#a;1.0.0.aaa_a;
> parsed=SAS#a;1.0.0.aaa_a
> [ivy:resolve] [1.0.0.aaa_a] SAS#a
> [ivy:resolve] found SAS#a;1.0.0.aaa_a in local
> [ivy:resolve] [1.0.0.aaa_a] SAS#a;latest.integration
> [ivy:resolve] == resolving dependencies SAS#test;[EMAIL
> PROTECTED]>SAS#c;latest.integration [compile->compile]
> [ivy:resolve] loadData of SAS#c;latest.integration of rootConf=compile
> [ivy:resolve] using sas-repo to resolve SAS#c;latest.integration
> [ivy:resolve] trying
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/latest.integration/ivy.xml
> [ivy:resolve] tried
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/latest.integration/ivy.xml
> [ivy:resolve] tried
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/[revision]/ivy.xml
> [ivy:resolve] listing all in
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/[revision]/ivy.xml
> [ivy:resolve] using local to list all in
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/
> [ivy:resolve] found 1 resources
> [ivy:resolve] found revs: [1.0.0.ccc_c]
> [ivy:resolve] local: found md file for SAS#c;latest.integration
> [ivy:resolve] =>
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/1.0.0.ccc_c/ivy.xml (1.0.0.ccc_c)
> [ivy:resolve] parser = ivy parser
> [ivy:resolve] no ivy file in cache for SAS#c;1.0.0.ccc_c: tried
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/SAS/c/ivy-1.0.0.ccc_c.xml
> [ivy:resolve] downloading
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/1.0.0.ccc_c/ivy.xml ...
> [ivy:resolve] local: downloading
> /sasusr/u/sasjaa/testIvy/repo/SAS/c/1.0.0.ccc_c/ivy.xml
> [ivy:resolve] to
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/c/ivys/ivy.original-1.0.0.ccc_c.xml.part
> [ivy:resolve] [SUCCESSFUL ] SAS#c;1.0.0.ccc_c!ivy.original.xml(ivy)
> (21ms)
> [ivy:resolve] post 1.3 ivy file: using exact as default matcher
> [ivy:resolve] cache: parsed downloaded md file for SAS#c;1.0.0.ccc_c;
> parsed=SAS#c;1.0.0.ccc_c
> [ivy:resolve] [1.0.0.ccc_c] SAS#c
> [ivy:resolve] found SAS#c;1.0.0.ccc_c in local
> [ivy:resolve] [1.0.0.ccc_c] SAS#c;latest.integration
> [ivy:resolve] == resolving dependencies
> SAS#c;latest.integration->SAS#b;1.0.0.bbb_b [compile->compile]
> [ivy:resolve] loadData of SAS#b;1.0.0.bbb_b of rootConf=compile
> [ivy:resolve] using sas-repo to resolve SAS#b;1.0.0.bbb_b
> [ivy:resolve] no ivy file in cache for SAS#b;1.0.0.bbb_b: tried
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/SAS/b/ivy-1.0.0.bbb_b.xml
> [ivy:resolve] trying
> /sasusr/u/sasjaa/testIvy/repo/SAS/b/1.0.0.bbb_b/ivy.xml
> [ivy:resolve] tried
> /sasusr/u/sasjaa/testIvy/repo/SAS/b/1.0.0.bbb_b/ivy.xml
> [ivy:resolve] local: found md file for SAS#b;1.0.0.bbb_b
> [ivy:resolve] =>
> /sasusr/u/sasjaa/testIvy/repo/SAS/b/1.0.0.bbb_b/ivy.xml (1.0.0.bbb_b)
> [ivy:resolve] parser = ivy parser
> [ivy:resolve] no ivy file in cache for SAS#b;1.0.0.bbb_b: tried
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/SAS/b/ivy-1.0.0.bbb_b.xml
> [ivy:resolve] downloading
> /sasusr/u/sasjaa/testIvy/repo/SAS/b/1.0.0.bbb_b/ivy.xml ...
> [ivy:resolve] local: downloading
> /sasusr/u/sasjaa/testIvy/repo/SAS/b/1.0.0.bbb_b/ivy.xml
> [ivy:resolve] to
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/b/ivys/ivy.original-1.0.0.bbb_b.xml.part
> [ivy:resolve] [SUCCESSFUL ] SAS#b;1.0.0.bbb_b!ivy.original.xml(ivy)
> (88ms)
> [ivy:resolve] post 1.3 ivy file: using exact as default matcher
> [ivy:resolve] cache: parsed downloaded md file for SAS#b;1.0.0.bbb_b;
> parsed=SAS#b;1.0.0.bbb_b
> [ivy:resolve] found SAS#b;1.0.0.bbb_b in local
> [ivy:resolve] == resolving dependencies
> SAS#b;1.0.0.bbb_b->SAS#a;latest.integration [compile->compile]
> [ivy:resolve] loadData of SAS#a;1.0.0.aaa_a of rootConf=compile
> [ivy:resolve] compile is loaded and no conf to load. Skip loading
> [ivy:resolve] == resolving dependencies SAS#test;[EMAIL
> PROTECTED]>SAS#b;latest.integration [compile->compile]
> [ivy:resolve] loadData of SAS#b;latest.integration of rootConf=compile
> [ivy:resolve] compile is evicted. Skip loading
> [ivy:resolve] == resolving dependencies SAS#test;[EMAIL
> PROTECTED]>SAS#b;1.0.0.bbb_b [compile->compile]
> [ivy:resolve] loadData of SAS#b;1.0.0.bbb_b of rootConf=compile
> [ivy:resolve] compile is loaded and no conf to load. Skip loading
> [ivy:resolve] == resolving dependencies SAS#test;[EMAIL
> PROTECTED]>SAS#b;latest.integration [compile->compile]
> [ivy:resolve] loadData of SAS#b;latest.integration of rootConf=compile
> [ivy:resolve] compile is evicted. Skip loading
> [ivy:resolve] == resolving dependencies SAS#test;[EMAIL
> PROTECTED]>SAS#b;1.0.0.bbb_b [compile->compile]
> [ivy:resolve] loadData of SAS#b;1.0.0.bbb_b of rootConf=compile
> [ivy:resolve] compile is loaded and no conf to load. Skip loading
> [ivy:resolve] Nbr of module to sort : 3
> [ivy:resolve] Sort dependencies of : SAS#a;1.0.0.aaa_a / Number of
> dependencies = 0
> [ivy:resolve] Sort done for : SAS#a;1.0.0.aaa_a
> [ivy:resolve] Sort dependencies of : SAS#c;1.0.0.ccc_c / Number of
> dependencies = 1
> [ivy:resolve] Sort dependencies of : SAS#b;1.0.0.bbb_b / Number of
> dependencies = 1
> [ivy:resolve] Module descriptor is processed : SAS#a;1.0.0.aaa_a
> [ivy:resolve] Sort done for : SAS#b;1.0.0.bbb_b
> [ivy:resolve] Sort done for : SAS#c;1.0.0.ccc_c
> [ivy:resolve] Module descriptor is processed : SAS#b;1.0.0.bbb_b
> [ivy:resolve] resolved ivy file produced in
> /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/[EMAIL PROTECTED]
> [ivy:resolve] :: downloading artifacts ::
> [ivy:resolve] :: resolution report :: resolve 846ms :: artifacts dl 1ms
> [ivy:resolve] :: evicted modules:
> [ivy:resolve] SAS#b;latest.integration by [SAS#b;1.0.0.bbb_b] in
> [compile]
> [ivy:resolve] in SAS#test;[EMAIL PROTECTED] with latest-compatible
> ---------------------------------------------------------------------
> | | modules || artifacts |
> | conf | number| search|dwnlded|evicted|| number|dwnlded|
> ---------------------------------------------------------------------
> | compile | 4 | 3 | 0 | 1 || 0 | 0 |
> ---------------------------------------------------------------------
> [ivy:resolve] Nbr of module to sort : 3
> [ivy:resolve] Sort dependencies of : SAS#a;1.0.0.aaa_a / Number of
> dependencies = 0
> [ivy:resolve] Sort done for : SAS#a;1.0.0.aaa_a
> [ivy:resolve] Sort dependencies of : SAS#c;1.0.0.ccc_c / Number of
> dependencies = 1
> [ivy:resolve] Sort dependencies of : SAS#b;1.0.0.bbb_b / Number of
> dependencies = 1
> [ivy:resolve] Module descriptor is processed : SAS#a;1.0.0.aaa_a
> [ivy:resolve] Sort done for : SAS#b;1.0.0.bbb_b
> [ivy:resolve] Sort done for : SAS#c;1.0.0.ccc_c
> [ivy:resolve] Module descriptor is processed : SAS#b;1.0.0.bbb_b
> [ivy:resolve] report for SAS#test;[EMAIL PROTECTED] compile produced
> in /r/sanyo.unx.sas.com/vol/vol2/u22/sasjaa/.ivy2/cache/SAS-test-compile.xml
> [ivy:resolve] resolve done (846ms resolve - 1ms download)
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