SOLR-17595: Fix Solr examples for Windows (apache#2909)

* Fix argument parsing for -D options with multiple values on Windows

* Fix invalid usage of wildcards in RunExampleTool / PostTool

(cherry picked from commit a4229e7)

solr/CHANGES.txt

@@ -140,6 +140,9 @@ Bug Fixes
 
 * SOLR-17586: Print zkcli.sh deprecation msg to stderr, which fixes Solr Operator upload of security.json to zookeeper (Jan Høydahl)
 
+* SOLR-17595: Fix two issues in Solr CLI that prevent Solr from starting with the techproducts example and from
+  correctly parsing arguments on Windows that start with -D and have multiple values separated by "," or spaces. (Christos Malliaridis)
+
 Dependency Upgrades
 ---------------------
 (No changes)

solr/bin/solr.cmd

@@ -748,7 +748,6 @@ goto repeat_passthru
 
 :end_passthru
 set "PASSTHRU=%PASSTHRU_KEY%=%PASSTHRU_VALUES%"
-echo "Passing through %PASSTHRU%"
 
 IF NOT "%SOLR_OPTS%"=="" (
   set "SOLR_OPTS=%SOLR_OPTS% %PASSTHRU%"

solr/core/src/java/org/apache/solr/cli/RunExampleTool.java

@@ -337,7 +337,9 @@ protected void runExample(CommandLine cli, String exampleName) throws Exception
               collectionName,
               "--type",
               "application/xml",
-              exampledocsDir.getAbsolutePath() + "/*.xml"
+              "--filetypes",
+              "xml",
+              exampledocsDir.toAbsolutePath().toString()
             };
         PostTool postTool = new PostTool();
         CommandLine postToolCli = SolrCLI.parseCmdLine(postTool, args);