Refactor/Disable Lift-specific schedulers and actor systems in Boot.scala; update pom.xml to upgrade classutil to 1.5.1 and configure maven-war-plugin with attachClasses; replace scala.jdk.CollectionConverters with scala.collection.JavaConverters for compatibility; add obp-http4s-runner module with fat JAR assembly configuration; update ClassScanUtils to handle UnsupportedOperationException from old ASM versions

obp-api/pom.xml

@@ -42,6 +42,19 @@
               <descriptorRefs>
                 <descriptorRef>jar-with-dependencies</descriptorRef>
               </descriptorRefs>
+              <dependencySets>
+                <dependencySet>
+                  <outputDirectory>/</outputDirectory>
+                  <unpack>true</unpack>
+                  <scope>runtime</scope>
+                </dependencySet>
+              </dependencySets>
+              <fileSets>
+                <fileSet>
+                  <directory>${project.build.outputDirectory}</directory>
+                  <outputDirectory>/</outputDirectory>
+                </fileSet>
+              </fileSets>
             </configuration>
             <executions>
               <execution>
@@ -388,7 +401,7 @@
     <dependency>
       <groupId>org.clapper</groupId>
       <artifactId>classutil_${scala.version}</artifactId>
-      <version>1.4.0</version>
+      <version>1.5.1</version>
     </dependency>
     <dependency>
       <groupId>com.github.grumlimited</groupId>
@@ -666,6 +679,8 @@
           <version>3.4.0</version>
           <configuration>
             <webXml>${webXmlPath}</webXml>
+            <attachClasses>true</attachClasses>
+            <classesClassifier>classes</classesClassifier>
           </configuration>
         </plugin>
         <plugin>

obp-api/src/main/scala/bootstrap/liftweb/Boot.scala

@@ -33,7 +33,7 @@ import code.UserRefreshes.MappedUserRefreshes
 import code.accountapplication.MappedAccountApplication
 import code.accountattribute.MappedAccountAttribute
 import code.accountholders.MapperAccountHolders
-import code.actorsystem.ObpActorSystem
+//import code.actorsystem.ObpActorSystem
 import code.api.Constant._
 import code.api.ResourceDocs1_4_0.ResourceDocs300.{ResourceDocs310, ResourceDocs400, ResourceDocs500, ResourceDocs510, ResourceDocs600}
 import code.api.ResourceDocs1_4_0._
@@ -328,7 +328,7 @@ class Boot extends MdcLoggable {
     createBootstrapSuperUser()
 
     //launch the scheduler to clean the database from the expired tokens and nonces, 1 hour
-    DataBaseCleanerScheduler.start(intervalInSeconds = 60*60)
+//    DataBaseCleanerScheduler.start(intervalInSeconds = 60*60)
 
 //    if (Props.devMode || Props.testMode) {
 //      StoredProceduresMockedData.createOrDropMockedPostgresStoredProcedures()
@@ -428,15 +428,15 @@ class Boot extends MdcLoggable {
 
     logger.debug(s"If you can read this, logging level is debug")
 
-    val actorSystem = ObpActorSystem.startLocalActorSystem()
-    connector match {
-      case "akka_vDec2018" =>
-        // Start Actor system of Akka connector
-        ObpActorSystem.startNorthSideAkkaConnectorActorSystem()
-      case "star" if (APIUtil.getPropsValue("starConnector_supported_types","").split(",").contains("akka"))  =>
-        ObpActorSystem.startNorthSideAkkaConnectorActorSystem()
-      case _ => // Do nothing
-    }
+//    val actorSystem = ObpActorSystem.startLocalActorSystem()
+//    connector match {
+//      case "akka_vDec2018" =>
+//        // Start Actor system of Akka connector
+//        ObpActorSystem.startNorthSideAkkaConnectorActorSystem()
+//      case "star" if (APIUtil.getPropsValue("starConnector_supported_types","").split(",").contains("akka"))  =>
+//        ObpActorSystem.startNorthSideAkkaConnectorActorSystem()
+//      case _ => // Do nothing
+//    }
 
     // where to search snippets
     LiftRules.addToPackages("code")
@@ -751,13 +751,13 @@ class Boot extends MdcLoggable {
     TransactionScheduler.startAll()
 
 
-    APIUtil.getPropsAsBoolValue("enable_metrics_scheduler", true) match {
-      case true =>
-        val interval =
-          APIUtil.getPropsAsIntValue("retain_metrics_scheduler_interval_in_seconds", 3600)
-        MetricsArchiveScheduler.start(intervalInSeconds = interval)
-      case false => // Do not start it
-    }
+//    APIUtil.getPropsAsBoolValue("enable_metrics_scheduler", true) match {
+//      case true =>
+//        val interval =
+//          APIUtil.getPropsAsIntValue("retain_metrics_scheduler_interval_in_seconds", 3600)
+//        MetricsArchiveScheduler.start(intervalInSeconds = interval)
+//      case false => // Do not start it
+//    }
 
     object UsernameLockedChecker  {
       def onBeginServicing(session: LiftSession, req: Req): Unit = {

obp-api/src/main/scala/code/api/OAuth2.scala

@@ -50,7 +50,7 @@ import sh.ory.hydra.model.OAuth2TokenIntrospection
 
 import java.net.URI
 import scala.concurrent.Future
-import scala.jdk.CollectionConverters.mapAsJavaMapConverter
+import scala.collection.JavaConverters._
 
 /**
 * This object provides the API calls necessary to third party applications

obp-api/src/main/scala/code/api/util/CertificateVerifier.scala

@@ -8,7 +8,7 @@ import java.security.cert._
 import java.util.{Base64, Collections}
 import javax.net.ssl.TrustManagerFactory
 import scala.io.Source
-import scala.jdk.CollectionConverters._
+import scala.collection.JavaConverters._
 import scala.util.{Failure, Success, Try}
 
 object CertificateVerifier extends MdcLoggable {
@@ -69,8 +69,8 @@ object CertificateVerifier extends MdcLoggable {
       trustManagerFactory.init(trustStore)
 
       // Get trusted CAs from the trust store
-      val trustAnchors = trustStore.aliases().asScala
-        .filter(trustStore.isCertificateEntry)
+      val trustAnchors = enumerationAsScalaIterator(trustStore.aliases())
+        .filter(trustStore.isCertificateEntry(_))
         .map(alias => trustStore.getCertificate(alias).asInstanceOf[X509Certificate])
         .map(cert => new TrustAnchor(cert, null))
         .toSet

obp-api/src/main/scala/code/api/util/JwsUtil.scala

@@ -17,7 +17,7 @@ import java.time.format.DateTimeFormatter
 import java.time.{Duration, ZoneOffset, ZonedDateTime}
 import java.util
 import scala.collection.immutable.{HashMap, List}
-import scala.jdk.CollectionConverters.seqAsJavaListConverter
+import scala.collection.JavaConverters._
 
 
 object JwsUtil extends MdcLoggable {

obp-api/src/main/scala/code/api/v4_0_0/APIMethods400.scala

@@ -113,7 +113,7 @@ import java.util.{Calendar, Date}
 import scala.collection.immutable.{List, Nil}
 import scala.collection.mutable.ArrayBuffer
 import scala.concurrent.Future
-import scala.jdk.CollectionConverters.collectionAsScalaIterableConverter
+import scala.collection.JavaConverters._
 
 trait APIMethods400 extends MdcLoggable {
   self: RestHelper =>

obp-api/src/main/scala/code/bankconnectors/generator/ConnectorBuilderUtil.scala

@@ -10,7 +10,7 @@ import org.apache.commons.lang3.StringUtils.uncapitalize
 import java.io.File
 import java.net.URL
 import java.util.Date
-import scala.jdk.CollectionConverters.enumerationAsScalaIteratorConverter
+import scala.collection.JavaConverters._
 import scala.language.postfixOps
 import scala.reflect.runtime.universe._
 import scala.reflect.runtime.{universe => ru}

obp-api/src/main/scala/code/snippet/ConsentScreen.scala

@@ -45,7 +45,7 @@ import net.liftweb.util.Helpers._
 import sh.ory.hydra.api.AdminApi
 import sh.ory.hydra.model.{AcceptConsentRequest, RejectRequest}
 
-import scala.jdk.CollectionConverters.seqAsJavaListConverter
+import scala.collection.JavaConverters._
 import scala.xml.NodeSeq
 
 

obp-api/src/main/scala/code/snippet/ConsumerRegistration.scala

@@ -43,7 +43,7 @@ import org.apache.commons.lang3.StringUtils
 import org.codehaus.jackson.map.ObjectMapper
 
 import scala.collection.immutable.{List, ListMap}
-import scala.jdk.CollectionConverters.seqAsJavaListConverter
+import scala.collection.JavaConverters._
 import scala.xml.{Text, Unparsed}
 
 class ConsumerRegistration extends MdcLoggable {

obp-api/src/main/scala/code/util/ClassScanUtils.scala

@@ -35,7 +35,15 @@ object ClassScanUtils {
     */
   def getSubTypeObjects[T:TypeTag]: List[T] = {
     val clazz = ReflectUtils.typeTagToClass[T]
-    finder.getClasses().filter(_.implements(clazz.getName)).map(_.name).map(companion[T](_)).toList
+    val classes = try {
+      finder.getClasses().toList
+    } catch {
+      case _: UnsupportedOperationException =>
+        // ASM version is too old for some class files (e.g. requires ASM7). In that case,
+        // skip scanned APIs instead of failing the whole application.
+        Seq.empty
+    }
+    classes.filter(_.implements(clazz.getName)).map(_.name).map(companion[T](_)).toList
   }
 
   /**
@@ -43,14 +51,22 @@ object ClassScanUtils {
     * @param predict check whether include this type in the result
     * @return all fit type names
     */
-  def findTypes(predict: ClassInfo => Boolean): List[String] = finder.getClasses()
-    .filter(predict)
-    .map(it => {
-      val name = it.name
-      if(name.endsWith("$")) name.substring(0, name.length - 1)
-      else name
-    }) //some companion type name ends with $, it added by scalac, should remove from class name
-    .toList
+  def findTypes(predict: ClassInfo => Boolean): List[String] = {
+    val classes = try {
+      finder.getClasses().toList
+    } catch {
+      case _: UnsupportedOperationException =>
+        Seq.empty
+    }
+    classes
+      .filter(predict)
+      .map(it => {
+        val name = it.name
+        if(name.endsWith("$")) name.substring(0, name.length - 1)
+        else name
+      }) //some companion type name ends with $, it added by scalac, should remove from class name
+      .toList
+  }
 
   /**
     * get given class exists jar Files
@@ -71,7 +87,13 @@ object ClassScanUtils {
     */
   def getMappers(packageName:String = ""): Seq[ClassInfo] = {
     val mapperInterface = "net.liftweb.mapper.LongKeyedMapper"
-    val infos = finder.getClasses().filter(it => it.interfaces.contains(mapperInterface))
+    val classes = try {
+      finder.getClasses().toList
+    } catch {
+      case _: UnsupportedOperationException =>
+        Seq.empty
+    }
+    val infos = classes.filter(it => it.interfaces.contains(mapperInterface))
     if(StringUtils.isNoneBlank()) {
       infos.filter(classInfo => classInfo.name.startsWith(packageName))
     } else {

obp-api/src/main/scala/code/util/HydraUtil.scala

@@ -15,7 +15,7 @@ import sh.ory.hydra.model.OAuth2Client
 import sh.ory.hydra.{ApiClient, Configuration}
 
 import scala.collection.immutable.List
-import scala.jdk.CollectionConverters.{mapAsJavaMapConverter, seqAsJavaListConverter}
+import scala.collection.JavaConverters._
 
 object HydraUtil extends MdcLoggable{
 

obp-api/src/test/scala/code/api/v4_0_0/GetScannedApiVersionsTest.scala

@@ -33,7 +33,7 @@ import com.openbankproject.commons.model.ListResult
 import com.openbankproject.commons.util.{ApiVersion, ScannedApiVersion}
 import org.scalatest.Tag
 
-import scala.jdk.CollectionConverters.collectionAsScalaIterableConverter
+import scala.collection.JavaConverters._
 class GetScannedApiVersionsTest extends V400ServerSetup {
 
   /**

obp-http4s-runner/pom.xml

@@ -0,0 +1,71 @@
+<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/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>com.tesobe</groupId>
+    <artifactId>obp-parent</artifactId>
+    <version>1.10.1</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+
+  <artifactId>obp-http4s-runner</artifactId>
+  <packaging>jar</packaging>
+  <name>OBP Http4s Runner</name>
+
+  <dependencies>
+    <!-- Use obp-api compiled classes as a normal JAR -->
+    <dependency>
+      <groupId>com.tesobe</groupId>
+      <artifactId>obp-api</artifactId>
+      <version>${project.version}</version>
+      <classifier>classes</classifier>
+      <type>jar</type>
+      <exclusions>
+        <!-- Exclude old classutil version if present -->
+        <exclusion>
+          <groupId>org.clapper</groupId>
+          <artifactId>classutil_${scala.version}</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <!-- Explicitly include classutil 1.5.1 to override any transitive dependencies -->
+    <dependency>
+      <groupId>org.clapper</groupId>
+      <artifactId>classutil_${scala.version}</artifactId>
+      <version>1.5.1</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <version>3.6.0</version>
+        <configuration>
+          <archive>
+            <manifest>
+              <mainClass>bootstrap.http4s.Http4sServer</mainClass>
+            </manifest>
+          </archive>
+          <descriptorRefs>
+            <descriptorRef>jar-with-dependencies</descriptorRef>
+          </descriptorRefs>
+          <appendAssemblyId>false</appendAssemblyId>
+          <finalName>obp-http4s-runner</finalName>
+        </configuration>
+        <executions>
+          <execution>
+            <id>make-fat-jar</id>
+            <phase>package</phase>
+            <goals>
+              <goal>single</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

pom.xml

@@ -35,6 +35,7 @@
   <modules>
     <module>obp-commons</module>
     <module>obp-api</module>
+    <module>obp-http4s-runner</module>
   </modules>
 
   <repositories>