JOSM tries to upload a new relation that references a unuploaded way

[avarab@…]

So this is what I did:

1. Traced a bunch of lakes with lakewalker
2. One lake had an Island that lakewalker didn't trace, so I created an inner way around the island, selected it and the lake and clicked "Create multipolygon" (multipoly plugin)
3. Upload
4. This creates this data locally:

  <relation id='-1' visible='true'>
    <member type='way' ref='-2' role='inner' />
    <member type='way' ref='43122004' role='outer' />
    <tag k='type' v='multipolygon' />
  </relation>

So somehow after the failed upload I have a pending relation for upload with a local inner way that hasn't been uploaded. JOSM doesn't know to solve this my uploading the local way *first*:

PUT http://api.openstreetmap.org/api/0.6/relation/create... Precondition Failed
Error header: Precondition failed: Relation with id  cannot be saved due to Way with id -1
25.10.2009 16:51:18 org.openstreetmap.josm.actions.UploadAction handlePreconditionFailed
WARNING: Warning: error header "Precondition failed: Relation with id  cannot be saved due to Way with id -1" did not match with an expected pattern
org.openstreetmap.josm.io.OsmApiException: ResponseCode=412, Error Header=<Precondition failed: Relation with id  cannot be saved due to Way with id -1>
	at org.openstreetmap.josm.io.OsmApi.sendRequest(OsmApi.java:562)
	at org.openstreetmap.josm.io.OsmApi.sendRequest(OsmApi.java:462)
	at org.openstreetmap.josm.io.OsmApi.createPrimitive(OsmApi.java:250)
	at org.openstreetmap.josm.io.OsmServerWriter.makeApiRequest(OsmServerWriter.java:181)
	at org.openstreetmap.josm.io.OsmServerWriter.uploadChangesIndividually(OsmServerWriter.java:93)
	at org.openstreetmap.josm.io.OsmServerWriter.uploadOsm(OsmServerWriter.java:165)
	at org.openstreetmap.josm.actions.UploadAction$UploadPrimitivesTask.realRun(UploadAction.java:654)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:62)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:116)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)

Manifest-Version: 1.0
Ant-Version: Apache Ant 1.7.1
Created-By: 14.2-b01 (Sun Microsystems Inc.)
Main-class: JOSM
Main-Version: 2318 SVN
Main-Date: 2009-10-25T14:51:51.162049Z
Memory Usage: 457 MB / 986 MB (168 MB allocated, but free)
Java version: 1.6.0_16

Plugins: lakewalkermultipolyopenstreetbugsopenvisibleremotecontrolutilspluginvalidatorwalkingpaperswmsplugin
Plugin lakewalker Version: 17375
Plugin multipoly Version: 18142
Plugin openstreetbugs Version: 18147
Plugin openvisible Version: 17536
Plugin remotecontrol Version: 18144
Plugin utilsplugin Version: 17707
Plugin validator Version: 18197
Plugin walkingpapers Version: 17822
Plugin wmsplugin Version: 17817


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[Gubaer]

(In [2320]) see #3775: JOSM tries to upload a new relation that references a unuploaded way

[Gubaer]

Could reproduce with simple test cases like one new relation and one new way. Nevertheless, JOSM now sorts new objects before uploading according to their type: nodes before ways, ways before relations.

This should fix the issue. Could you post a sample file if it happens again?