diff --git a/common-tools/clara-io/pom.xml b/common-tools/clara-io/pom.xml
index 6b3b0e59c0..1c3a50f9b6 100644
--- a/common-tools/clara-io/pom.xml
+++ b/common-tools/clara-io/pom.xml
@@ -52,12 +52,11 @@
       <groupId>org.jlab.clas</groupId>
       <artifactId>clas-utils</artifactId>
       <version>14.2.1-SNAPSHOT</version>
-    </dependency> 
+    </dependency>
 
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-text</artifactId>
-      <version>1.15.0</version>
     </dependency>
 
   </dependencies>
diff --git a/common-tools/clas-detector/src/main/java/org/jlab/detector/calib/utils/DatabaseConstantProvider.java b/common-tools/clas-detector/src/main/java/org/jlab/detector/calib/utils/DatabaseConstantProvider.java
index 0505a2204a..a4b0d69c1f 100644
--- a/common-tools/clas-detector/src/main/java/org/jlab/detector/calib/utils/DatabaseConstantProvider.java
+++ b/common-tools/clas-detector/src/main/java/org/jlab/detector/calib/utils/DatabaseConstantProvider.java
@@ -12,7 +12,7 @@
 import java.util.Vector;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import org.jlab.ccdb.CCDB;
+import org.jlab.ccdb.CcdbPackage;
 import javax.swing.JFrame;
 import org.jlab.ccdb.Assignment;
 
@@ -144,7 +144,7 @@ private void initialize(String address){
         // choose /tmp directory:
         FileSystemExecScan.scan();
 
-        provider = CCDB.createProvider(address);
+        provider = CcdbPackage.createProvider(address);
 
         LOGGER.log(Level.INFO, String.format("[DB] ---> open %s | %s | %s | %s", runNumber, variation, databaseDate, address));
         
diff --git a/common-tools/clas-io/pom.xml b/common-tools/clas-io/pom.xml
index 32aa1e67c2..d51e553d66 100644
--- a/common-tools/clas-io/pom.xml
+++ b/common-tools/clas-io/pom.xml
@@ -18,7 +18,6 @@
     <dependency>
       <groupId>org.jlab.coda</groupId>
       <artifactId>xmsg</artifactId>
-      <version>2.3</version>
     </dependency>
 
     <dependency>
@@ -45,7 +44,6 @@
     <dependency>
       <groupId>org.jlab.coda</groupId>
       <artifactId>et</artifactId>
-      <version>14.0</version>
     </dependency>
 
     <dependency>
diff --git a/common-tools/clas-jcsg/pom.xml b/common-tools/clas-jcsg/pom.xml
index 623abdfa82..03531bcc43 100644
--- a/common-tools/clas-jcsg/pom.xml
+++ b/common-tools/clas-jcsg/pom.xml
@@ -47,7 +47,6 @@
     <dependency>
       <groupId>java3d</groupId>
       <artifactId>vecmath</artifactId>
-      <version>1.3.1</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
diff --git a/common-tools/clas-reco/pom.xml b/common-tools/clas-reco/pom.xml
index 9a84fdb676..cd69073c41 100644
--- a/common-tools/clas-reco/pom.xml
+++ b/common-tools/clas-reco/pom.xml
@@ -36,12 +36,6 @@
       <classifier>jar-with-dependencies</classifier>
     </dependency>
 
-    <dependency>
-      <groupId>org.jlab.coda</groupId>
-      <artifactId>jtools</artifactId>
-      <version>2.2</version>
-    </dependency>
-
     <dependency>
       <groupId>cnuphys</groupId>
       <artifactId>magfield</artifactId>
diff --git a/common-tools/clas-reco/src/main/java/org/jlab/clas/reco/Clas12Types.java b/common-tools/clas-reco/src/main/java/org/jlab/clas/reco/Clas12Types.java
index 4daf8a9c13..656d9b9211 100644
--- a/common-tools/clas-reco/src/main/java/org/jlab/clas/reco/Clas12Types.java
+++ b/common-tools/clas-reco/src/main/java/org/jlab/clas/reco/Clas12Types.java
@@ -5,8 +5,6 @@
 import org.jlab.clara.base.error.ClaraException;
 import org.jlab.clara.engine.ClaraSerializer;
 import org.jlab.clara.engine.EngineDataType;
-import org.jlab.clas12.tools.MimeType;
-import org.jlab.clas12.tools.property.JPropertyList;
 import org.jlab.jnp.hipo4.data.Event;
 
 
@@ -30,22 +28,9 @@ public Object read(ByteBuffer buffer) throws ClaraException {
         }
     }
         
-	public static final EngineDataType EVIO = new EngineDataType(MimeType.EVIO.type(), EngineDataType.BYTES.serializer());
+	public static final EngineDataType EVIO = new EngineDataType("binary/data-evio", EngineDataType.BYTES.serializer());
 
         public static final EngineDataType HIPO =
                     new EngineDataType("binary/data-hipo", new HipoSerializer());
         
-	public static final EngineDataType PROPERTY_LIST = new EngineDataType(MimeType.PROPERTY_LIST.type(), new ClaraSerializer() {
-
-                @Override
-		public ByteBuffer write(Object data) throws ClaraException {
-			JPropertyList pl = (JPropertyList) data;
-			return ByteBuffer.wrap(pl.getStringRepresentation(true).getBytes());
-		}
-
-                @Override
-		public Object read(ByteBuffer buffer) throws ClaraException {
-			return new JPropertyList(new String(buffer.array()));
-		}
-	});
 }
diff --git a/common-tools/clas-utils/pom.xml b/common-tools/clas-utils/pom.xml
index 4057106f8a..57208d53ee 100644
--- a/common-tools/clas-utils/pom.xml
+++ b/common-tools/clas-utils/pom.xml
@@ -17,7 +17,6 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-text</artifactId>
-      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>org.jlab.clas</groupId>
diff --git a/common-tools/coat-libs/pom.xml b/common-tools/coat-libs/pom.xml
index d8c6659cf2..77e0bc4b7e 100644
--- a/common-tools/coat-libs/pom.xml
+++ b/common-tools/coat-libs/pom.xml
@@ -32,7 +32,6 @@
     <dependency>
       <groupId>org.jlab.coda</groupId>
       <artifactId>et</artifactId>
-      <version>14.0</version>
     </dependency>
 
     <dependency>
@@ -45,22 +44,9 @@
       <artifactId>j4ml-clas12</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>org.jama</groupId>
-      <artifactId>jamapack</artifactId>
-      <version>1.0</version>
-    </dependency>
-
     <dependency>
       <groupId>org.jlab.plugins</groupId>
       <artifactId>trackfitter</artifactId>
-      <version>1.0</version>
-    </dependency>
-
-    <dependency>
-      <groupId>org.jlab.plugins</groupId>
-      <artifactId>jMath</artifactId>
-      <version>1.0</version>
     </dependency>
 
     <dependency>
@@ -158,12 +144,6 @@
       <artifactId>jminuit</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>de.erichseifert</groupId>
-      <artifactId>vectorgraphics2d</artifactId>
-      <version>1.0</version>
-    </dependency>
-
     <dependency>
       <groupId>net.objecthunter</groupId>
       <artifactId>exp4j</artifactId>
@@ -172,7 +152,7 @@
   </dependencies>
 
   <build>
-  
+
     <resources>
         <resource>
             <directory>src/main/resources</directory>
diff --git a/pom.xml b/pom.xml
index 93a1bb8e70..3038312116 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,9 +24,25 @@
       <url>https://code.jlab.org/api/v4/projects/919/packages/maven</url>
     </repository>
     <repository>
-      <id>clas12-clara-java</id>
+      <id>clas12-clara-java</id> <!-- `jclara` -->
       <url>https://code.jlab.org/api/v4/projects/243/packages/maven</url>
     </repository>
+    <repository>
+      <id>clas12-xmsg-java</id>
+      <url>https://code.jlab.org/api/v4/projects/959/packages/maven</url>
+    </repository>
+    <repository>
+      <id>clas12-ccdbrcdb-java</id>
+      <url>https://code.jlab.org/api/v4/projects/245/packages/maven</url>
+    </repository>
+    <repository>
+      <id>clas12-evio</id> <!-- `jevio` -->
+      <url>https://code.jlab.org/api/v4/projects/1038/packages/maven</url>
+    </repository>
+    <repository>
+      <id>clas12-et</id> <!-- `et` -->
+      <url>https://code.jlab.org/api/v4/projects/1044/packages/maven</url>
+    </repository>
     <repository>
       <id>clas12maven</id>
       <url>https://clasweb.jlab.org/.clas12maven</url>
@@ -106,6 +122,12 @@
         <classifier>linux</classifier>
       </dependency>
 
+      <dependency>
+        <groupId>java3d</groupId>
+        <artifactId>vecmath</artifactId>
+        <version>1.3.1</version>
+      </dependency>
+
       <dependency>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-api</artifactId>
@@ -124,10 +146,16 @@
         <version>3.20.0</version>
       </dependency>
 
+      <dependency>
+        <groupId>org.apache.commons</groupId>
+        <artifactId>commons-text</artifactId>
+        <version>1.15.0</version>
+      </dependency>
+
       <dependency>
         <groupId>org.jlab</groupId>
         <artifactId>groot</artifactId>
-        <version>4.0.5</version>
+        <version>4.0.5</version> <!-- WARNING: if changed, check the `net.objecthunter:exp4j` version; see `docs/dependency_conflicts.md` -->
       </dependency>
 
       <dependency>
@@ -139,14 +167,20 @@
       <dependency>
         <groupId>org.jlab.coda</groupId>
         <artifactId>jclara</artifactId>
-        <version>4.3</version>
+        <version>6.2</version>
+      </dependency>
+
+      <dependency>
+        <groupId>org.jlab.coda</groupId>
+        <artifactId>xmsg</artifactId>
+        <version>2.5</version>
       </dependency>
 
       <dependency>
         <groupId>org.jlab.coda</groupId>
         <artifactId>jevio</artifactId>
         <classifier>jar-with-dependencies</classifier>
-        <version>6.2-SNAPSHOT</version>
+        <version>6.2.1</version>
         <exclusions>
           <exclusion>
             <groupId>net.jpountz.lz4</groupId>
@@ -167,6 +201,12 @@
         </exclusions>
       </dependency>
 
+      <dependency>
+        <groupId>org.jlab.coda</groupId>
+        <artifactId>et</artifactId>
+        <version>16.6.1</version>
+      </dependency>
+
       <dependency>
         <groupId>org.jlab.jnp</groupId>
         <artifactId>jnp-hipo</artifactId>
@@ -179,6 +219,18 @@
         <version>4.5</version> <!-- from code.jlab.org/hallb/clas12/hipo-java; WARNING: if changed, check the `net.objecthunter:exp4j` version; see `docs/dependency_conflicts.md` -->
       </dependency>
 
+      <dependency>
+        <groupId>org.jlab.ccdbrcdb</groupId>
+        <artifactId>ccdbrcdb</artifactId>
+        <version>2.1</version>
+      </dependency>
+
+      <dependency>
+        <groupId>org.jlab.plugins</groupId>
+        <artifactId>trackfitter</artifactId>
+        <version>1.0</version>
+      </dependency>
+
       <dependency>
         <groupId>j4ml</groupId>
         <artifactId>j4ml-neuroph</artifactId>
@@ -197,12 +249,6 @@
         <version>0.9-SNAPSHOT</version> <!-- WARNING: if changed, check the `org.ejml:ejml-simple` version; see `docs/dependency_conflicts.md` -->
       </dependency>
 
-      <dependency>
-        <groupId>org.jlab.ccdbrcdb</groupId>
-        <artifactId>ccdbrcdb</artifactId>
-        <version>2.0</version>
-      </dependency>
-
       <dependency>
         <groupId>gov.nist.math</groupId>
         <artifactId>jama</artifactId>
@@ -212,7 +258,7 @@
       <dependency> <!-- sets version number for all 'ai.djl' dependencies -->
         <groupId>ai.djl</groupId>
         <artifactId>bom</artifactId>
-        <version>0.38.0</version> <!-- WARNING: if changed, check the `com.google.code.gson:gson` version; see `docs/dependency_conflicts.md` -->
+        <version>0.38.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -224,24 +270,17 @@
         - see `docs/dependency_conflicts.md` for more info
       -->
 
-      <!-- resolve conflict between `org.jlab.jnp:jnp-hipo:jar:2.0-SNAPSHOT` and `org.jlab.jnp:jnp-hipo4:jar:4.5`
-           by choosing the later version of their `net.objecthunter:exp4j` dependency -->
+      <!-- resolve conflicting `net.objecthunter:exp4j` by choosing the latest used by
+          - `org.jlab.jnp:jnp-hipo`
+          - `org.jlab.jnp:jnp-hipo4`
+          - `org.jlab:groot`
+      -->
       <dependency>
         <groupId>net.objecthunter</groupId>
         <artifactId>exp4j</artifactId>
         <version>0.4.8</version> <!-- WARNING: if changed, see `docs/dependency_conflicts.md` -->
       </dependency>
 
-      <!-- resolve conflict between `org.jlab.coda:jclara` and `ai.djl:api`
-           by choosing the later version of their `com.google.code.gson:gson` dependency
-           - `djl`'s `gson` version is here: https://github.com/deepjavalibrary/djl/blob/master/gradle/libs.versions.toml
-      -->
-      <dependency>
-        <groupId>com.google.code.gson</groupId>
-        <artifactId>gson</artifactId>
-        <version>2.13.1</version> <!-- WARNING: if changed, see `docs/dependency_conflicts.md` -->
-      </dependency>
-
       <!-- resolve conflict between `j4ml:j4ml-clas12` and `clas-tracking`
            by using the version of `org.ejml:ejml-simple` used by `j4ml:j4ml-clas12:jar:0.9-SNAPSHOT` -->
       <dependency>
@@ -392,6 +431,7 @@
                 <dependencyConvergence>
                   <excludes>
                     <!-- excluding conflicts that may be tricky to resolve -->
+                    <!-- FIXME: can we deal with this??? -->
                     <exclude>com.google.protobuf:protobuf-java</exclude> <!-- `org.jlab.ccdbrcdb:ccdbrcdb` use v3, but `org.jlab.coda.xmsg` uses v2 -->
                   </excludes>
                 </dependencyConvergence>
diff --git a/reconstruction/alert/pom.xml b/reconstruction/alert/pom.xml
index c4baa62486..025d2aaa81 100644
--- a/reconstruction/alert/pom.xml
+++ b/reconstruction/alert/pom.xml
@@ -137,7 +137,7 @@
             </goals>
             <configuration>
               <outputDirectory>${project.build.directory}/lib/services</outputDirectory>
-              <includeGroupIds>ai.djl</includeGroupIds>
+              <includeGroupIds>ai.djl,com.google.code.gson</includeGroupIds>
             </configuration>
           </execution>
         </executions>
diff --git a/reconstruction/cvt/pom.xml b/reconstruction/cvt/pom.xml
index 9e84e203fd..1319e25e62 100644
--- a/reconstruction/cvt/pom.xml
+++ b/reconstruction/cvt/pom.xml
@@ -17,7 +17,6 @@
     <dependency>
       <groupId>java3d</groupId>
       <artifactId>vecmath</artifactId>
-      <version>1.3.1</version>
     </dependency>
     <dependency>
       <groupId>org.jlab</groupId>
@@ -89,7 +88,6 @@
     <dependency>
       <groupId>org.jlab.plugins</groupId>
       <artifactId>trackfitter</artifactId>
-      <version>1.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/reconstruction/dc/pom.xml b/reconstruction/dc/pom.xml
index 4e7f4562b3..92bdb67c88 100644
--- a/reconstruction/dc/pom.xml
+++ b/reconstruction/dc/pom.xml
@@ -100,7 +100,6 @@
     <dependency>
       <groupId>org.jlab.plugins</groupId>
       <artifactId>trackfitter</artifactId>
-      <version>1.0</version>
     </dependency>
     <dependency>
       <groupId>org.jlab.clas</groupId>
diff --git a/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCCluster.java b/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCCluster.java
index f6a91e0bf3..1ccc7d5534 100644
--- a/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCCluster.java
+++ b/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCCluster.java
@@ -7,7 +7,6 @@
 
 import org.jlab.io.base.DataBank;
 import org.jlab.io.base.DataEvent;
-//import org.jMath.Vector.threeVec;
 import java.util.List;
 import java.util.ArrayList;
 import org.jlab.geom.prim.Vector3D;
diff --git a/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCClusterCorrection.java b/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCClusterCorrection.java
index 086038d90d..59eebc1f8f 100644
--- a/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCClusterCorrection.java
+++ b/reconstruction/ltcc/src/main/java/org/jlab/service/ltcc/LTCCClusterCorrection.java
@@ -5,8 +5,6 @@
  */
 package org.jlab.service.ltcc;
 
-//import org.jMath.Vector.threeVec;
-
 import org.jlab.geom.prim.Vector3D;
 
 
@@ -27,13 +25,13 @@ public class LTCCClusterCorrection {
     /*
     * static member function calcPosition
         * arguments:
-            - threeVec clusterPos: estimated cluster position from the 
+            - Vector3D clusterPos: estimated cluster position from the 
                                    reconstruction
             - double p: track momentum
             - int charge: track charge
             - double torus: torus field setting
             - double solenoid: solenoid field setting
-        * returns (threeVec): a vector with a more accurate cluster position
+        * returns (Vector3D): a vector with a more accurate cluster position
     */
     public static Vector3D calcPosition(Vector3D clusterPos, double p, 
             int charge, double torus, double solenoid) {
diff --git a/reconstruction/rtpc/src/main/java/org/jlab/rec/rtpc/Geometry.java b/reconstruction/rtpc/src/main/java/org/jlab/rec/rtpc/Geometry.java
index 9652c3b283..d3d43e8805 100644
--- a/reconstruction/rtpc/src/main/java/org/jlab/rec/rtpc/Geometry.java
+++ b/reconstruction/rtpc/src/main/java/org/jlab/rec/rtpc/Geometry.java
@@ -4,11 +4,6 @@
 import java.io.FileNotFoundException;
 import java.io.PrintWriter;
 
-/*import org.jMath.Vector.threeVec;
-
-import trackfitter.surface.Line;
-import trackfitter.track.Helix;*/
-
 public class Geometry {
 	
 	public Geometry() {