support concurrent build in maven plugin

liquibase-integration-tests/src/test/java/liquibase/dbtest/AbstractIntegrationTest.java

@@ -117,7 +117,7 @@ protected AbstractIntegrationTest(String changelogDir, Database dbms) throws Exc
         this.pathChangeLog = "changelogs/common/pathChangeLog.xml";
         logger = Scope.getCurrentScope().getLog(getClass());
 
-        Scope.setScopeManager(new TestScopeManager());
+        Scope.setScopeManager(new TestScopeManager(Scope.getCurrentScope()));
     }
 
     private void openConnection() throws Exception {

liquibase-maven-plugin/src/main/java/org/liquibase/maven/plugins/AbstractLiquibaseMojo.java

@@ -65,6 +65,11 @@
 @SuppressWarnings("java:S2583")
 public abstract class AbstractLiquibaseMojo extends AbstractMojo {
 
+    static {
+        // If maven is called with -T and a value larger than 1, it can get confused under heavy thread load
+        Scope.setScopeManager( new ThreadLocalScopeManager(null));
+    }
+
     /**
      * Suffix for fields that are representing a default value for a another field.
      */
@@ -709,8 +714,6 @@ public void execute() throws MojoExecutionException, MojoFailureException {
             getLog().warn("Liquibase NOT skipped because file " + skipOnFileExists + " does NOT exists");
         }
 
-        // If maven is called with -T and a value larger than 1, it can get confused under heavy thread load
-        Scope.setScopeManager(new ThreadLocalScopeManager());
         try {
             Scope.child(setUpLogging(), () -> {
 

liquibase-standard/src/main/java/liquibase/Scope.java

@@ -113,21 +113,7 @@ public static Scope getCurrentScope() {
     }
 
     public static void setScopeManager(ScopeManager scopeManager) {
-        Scope currentScope = getCurrentScope();
-        if (currentScope == null) {
-            currentScope = new Scope();
-        }
-
-        try {
-            currentScope = scopeManager.init(currentScope);
-        } catch (Exception e) {
-            Scope.getCurrentScope().getLog(Scope.class).warning(e.getMessage(), e);
-        }
-        scopeManager.setCurrentScope(currentScope);
-
         Scope.scopeManager = scopeManager;
-
-
     }
 
     /**

liquibase-standard/src/main/java/liquibase/ThreadLocalScopeManager.java

@@ -14,7 +14,11 @@ public class ThreadLocalScopeManager extends ScopeManager {
     private final ThreadLocal<Scope> threadLocalScopes = new ThreadLocal<>();
 
     public ThreadLocalScopeManager() {
-        this.rootScope = Scope.getCurrentScope();
+        this(Scope.getCurrentScope());
+    }
+
+    public ThreadLocalScopeManager(Scope rootScope) {
+        this.rootScope = rootScope;
     }
 
     @Override
@@ -39,4 +43,4 @@ protected Scope init(Scope scope) throws Exception {
     }
 
 
-}
+}

liquibase-standard/src/main/java/liquibase/command/core/helpers/AbstractOutputWriterCommandStep.java

@@ -17,7 +17,7 @@
 
 public abstract class AbstractOutputWriterCommandStep extends AbstractHelperCommandStep implements CleanUpCommandStep {
 
-    private static OutputStreamWriter outputStreamWriter;
+    private OutputStreamWriter outputStreamWriter;
 
     @Override
     public List<Class<?>> providedDependencies() {

liquibase-standard/src/main/java/liquibase/resource/ZipResourceAccessor.java

@@ -42,7 +42,11 @@ public ZipResourceAccessor(Path file) throws FileNotFoundException {
             try {
                 this.fileSystem = FileSystems.getFileSystem(finalUri);
             } catch (FileSystemNotFoundException e) {
-                this.fileSystem = FileSystems.newFileSystem(finalUri, Collections.emptyMap(), Scope.getCurrentScope().getClassLoader());
+                try {
+                    this.fileSystem = FileSystems.newFileSystem(finalUri, Collections.emptyMap(), Scope.getCurrentScope().getClassLoader());
+                } catch (FileSystemAlreadyExistsException ex) {
+                    this.fileSystem = FileSystems.getFileSystem(finalUri);
+                }
             }
         } catch (Throwable e) {
             throw new IllegalArgumentException(e.getMessage(), e);

liquibase-standard/src/test/groovy/liquibase/change/StandardChangeTest.groovy

@@ -16,7 +16,7 @@ public abstract class StandardChangeTest extends Specification {
     @Shared resourceSupplier = new ResourceSupplier()
 
     def setup() {
-        Scope.setScopeManager(new TestScopeManager());
+        Scope.setScopeManager(new TestScopeManager(Scope.getCurrentScope()));
     }
 
     def cleanup() {

liquibase-standard/src/test/java/liquibase/TestScopeManager.java

@@ -7,8 +7,8 @@
 
 public class TestScopeManager extends SingletonScopeManager {
 
-    public TestScopeManager() {
-
+    public TestScopeManager(Scope scope) throws Exception {
+        setCurrentScope(init(scope));
     }
 
     @Override

liquibase-standard/src/test/java/liquibase/integration/ant/AbstractAntTaskTest.java

@@ -11,8 +11,8 @@
 public abstract class AbstractAntTaskTest {
 
     @BeforeClass
-    public static void setup() {
-        Scope.setScopeManager(new TestScopeManager());
+    public static void setup() throws Exception {
+        Scope.setScopeManager(new TestScopeManager(Scope.getCurrentScope()));
     }
 
     protected static void setProperties() {

liquibase-standard/src/test/java/liquibase/verify/change/VerifyChangeClassesTest.java

@@ -33,8 +33,8 @@ public class VerifyChangeClassesTest extends AbstractVerifyTest {
 
 
     @BeforeClass
-    public static void setUpClass() {
-        Scope.setScopeManager(new TestScopeManager());
+    public static void setUpClass() throws Exception {
+        Scope.setScopeManager(new TestScopeManager(Scope.getCurrentScope()));
     }
 
     @Test