diff --git a/backend/pom.xml b/backend/pom.xml
index e152cf3e..5810284f 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -85,13 +85,12 @@
 			<artifactId>jersey-common</artifactId>
 			<version>2.26</version>
 		</dependency>
-		<dependency>
-			<groupId>io.swagger</groupId>
-			<artifactId>swagger-annotations</artifactId>
-			<version>${io.swagger.annotations.version}</version>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
+	    <dependency>
+	        <groupId>org.codehaus.janino</groupId>
+	        <artifactId>janino</artifactId>
+	        <version>3.1.12</version>
+	    </dependency>
+   		<dependency>
 			<groupId>io.quarkus</groupId>
 			<artifactId>quarkus-flyway</artifactId>
 			<exclusions>
diff --git a/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/api/ProjectionService.java b/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/api/ProjectionService.java
index 6541d964..36a1f824 100644
--- a/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/api/ProjectionService.java
+++ b/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/api/ProjectionService.java
@@ -26,6 +26,7 @@
 import ca.bc.gov.nrs.vdyp.backend.v1.api.projection.IProjectionRunner;
 import ca.bc.gov.nrs.vdyp.backend.v1.api.projection.ProjectionRunner;
 import ca.bc.gov.nrs.vdyp.backend.v1.api.projection.StubProjectionRunner;
+import ca.bc.gov.nrs.vdyp.backend.v1.gen.api.ParameterNames;
 import ca.bc.gov.nrs.vdyp.backend.v1.gen.model.Parameters;
 import ca.bc.gov.nrs.vdyp.backend.v1.utils.FileHelper;
 import jakarta.enterprise.context.ApplicationScoped;
@@ -50,9 +51,7 @@ public Response projectionHcsvPost(
 			FileUpload layersFileStream, //
 			SecurityContext securityContext
 	) {
-		if (trialRun == null) {
-			trialRun = false;
-		}
+		Response response;
 
 		Map<String, InputStream> inputStreams = new HashMap<>();
 
@@ -62,27 +61,37 @@ public Response projectionHcsvPost(
 
 			if (trialRun) {
 				if (polyStream.available() == 0) {
+					polyStream.close();
 					polyStream = FileHelper.getStubResourceFile("VDYP7_INPUT_POLY.csv");
 				}
 
 				if (layersStream.available() == 0) {
+					layersStream.close();
 					layersStream = FileHelper.getStubResourceFile("VDYP7_INPUT_LAYER.csv");
 				}
 			}
 
-			inputStreams.put("polygon", polyStream);
-			inputStreams.put("layers", layersStream);
+			response = runProjection("hcsv", inputStreams, trialRun, parameters, securityContext);
+
+			inputStreams.put(ParameterNames.POLYGON_INPUT_DATA, polyStream);
+			inputStreams.put(ParameterNames.LAYERS_INPUT_DATA, layersStream);
 		} catch (IOException e) {
 			String message = Exceptions.getMessage(e, "Projection, when opening input files,");
 
 			logger.error(message);
 
-			return Response.serverError().status(500).entity(message).build();
+			response = Response.serverError().status(500).entity(message).build();
 		} finally {
-			logger.info(FINALIZE_SESSION_MARKER, ">projectionHcsvPost");
+			for (var entry : inputStreams.entrySet()) {
+				try {
+					entry.getValue().close();
+				} catch (IOException e) {
+					logger.warn("Unable to close {}; reason: {}", entry.getKey(), e.getMessage());
+				}
+			}
 		}
 
-		return runProjection("hcsv", inputStreams, trialRun, parameters, securityContext);
+		return response;
 	}
 
 	public Response projectionDcsvPost(
@@ -103,52 +112,53 @@ private Response runProjection(
 			String projectionType, Map<String, InputStream> inputStreams, Boolean trialRun, Parameters params,
 			SecurityContext securityContext
 	) {
-		if (trialRun == null) {
-			trialRun = false;
-		}
-
 		String projectionId = ProjectionService.buildId(projectionType);
 
+		logger.info("<runProjection {} {}", projectionType, projectionId);
+
 		boolean debugLoggingEnabled = params.getSelectedExecutionOptions()
 				.contains(Parameters.SelectedExecutionOptionsEnum.DO_ENABLE_DEBUG_LOGGING);
 		if (debugLoggingEnabled) {
 			MDC.put("projectionId", projectionId);
 		}
 
-		IProjectionRunner runner;
-
-		logger.info("<projectionHcsvPost {}", projectionId);
-
-		if (trialRun) {
-			runner = new StubProjectionRunner(projectionId, params);
-		} else {
-			runner = new ProjectionRunner(projectionId, params);
-		}
-
-		runner.run(inputStreams);
-
 		/* this is known from logback.xml */
 		Path debugLogPath = Path.of("logs", projectionId + ".log");
 
-		InputStream debugLogStream;
+		Response response = Response.serverError().status(500).build();
+
 		try {
-			if (debugLoggingEnabled) {
-				debugLogStream = FileHelper.get(debugLogPath);
+			IProjectionRunner runner;
+
+			logger.info("Running {} projection {}", projectionType, projectionId);
+
+			if (trialRun) {
+				runner = new StubProjectionRunner(projectionId, params);
 			} else {
-				debugLogStream = new ByteArrayInputStream(new byte[0]);
+				runner = new ProjectionRunner(projectionId, params);
 			}
-		} catch (IOException e) {
-			String message = Exceptions.getMessage(e, "Projection, when opening input files,");
 
-			logger.error(message);
+			runner.run(inputStreams);
 
-			return Response.serverError().status(500).entity(message).build();
-		}
+			InputStream debugLogStream = new ByteArrayInputStream(new byte[0]);
+			try {
+				if (debugLoggingEnabled) {
+					debugLogStream = FileHelper.get(debugLogPath);
+				}
+			} catch (IOException e) {
+				String message = Exceptions.getMessage(e, "Projection, when opening input files,");
+				logger.warn(message);
+			}
 
-		Response response = buildOutputZipFile(runner, debugLogStream);
+			response = buildOutputZipFile(runner, debugLogStream);
 
-		if (debugLoggingEnabled) {
-			FileHelper.delete(debugLogPath);
+		} finally {
+			logger.info(FINALIZE_SESSION_MARKER, ">runProjection {} {}", projectionType, projectionId);
+
+			if (debugLoggingEnabled) {
+				MDC.remove("projectionId");
+				// FileHelper.delete(debugLogPath);
+			}
 		}
 
 		return response;
diff --git a/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/gen/api/ProjectionEndpoint.java b/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/gen/api/ProjectionEndpoint.java
index ba273fef..45a54488 100644
--- a/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/gen/api/ProjectionEndpoint.java
+++ b/backend/src/main/java/ca/bc/gov/nrs/vdyp/backend/v1/gen/api/ProjectionEndpoint.java
@@ -6,9 +6,7 @@
 import org.jboss.resteasy.reactive.multipart.FileUpload;
 
 import ca.bc.gov.nrs.vdyp.backend.v1.api.ProjectionService;
-import ca.bc.gov.nrs.vdyp.backend.v1.gen.model.MessagesInner;
 import ca.bc.gov.nrs.vdyp.backend.v1.gen.model.Parameters;
-import ca.bc.gov.nrs.vdyp.backend.v1.gen.responses.ProjectionResource;
 import io.quarkus.runtime.annotations.RegisterForReflection;
 import jakarta.inject.Inject;
 import jakarta.ws.rs.Consumes;
diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index 26662194..e3f4735e 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -3,5 +3,5 @@
 
 mp.openapi.scan.disable=false
 mp.openapi.extensions.smallrye.operationIdStrategy=METHOD
-quarkus.native.additional-build-args=--initialize-at-run-time=org.glassfish.jersey.server.internal.process.RequestProcessingContext,-H:+UnlockExperimentalVMOptions,-H:Log=registerResource:3
+quarkus.native.additional-build-args=--initialize-at-run-time=org.glassfish.jersey.server.internal.process.RequestProcessingContext\\,io.netty.resolver.dns.DnsServerAddressStreamProviders,-H:+UnlockExperimentalVMOptions,-H:Log=registerResource:3
 quarkus.native.resources.includes=VDYP7Console-sample-files/**
diff --git a/backend/src/main/resources/logback.xml b/backend/src/main/resources/logback.xml
index c95d22b7..1cfab242 100644
--- a/backend/src/main/resources/logback.xml
+++ b/backend/src/main/resources/logback.xml
@@ -1,11 +1,5 @@
 <configuration>
 
-  <turboFilter class="ch.qos.logback.classic.turbo.MDCFilter">
-    <MDCKey>projectionId</MDCKey>
-    <Value>not-request-specific</Value>
-    <OnMatch>DENY</OnMatch>
-  </turboFilter>
-
   <appender name="sifter" class="ch.qos.logback.classic.sift.SiftingAppender">
     <!-- in the absence of the class attribute, it is assumed that the
          desired discriminator type is
@@ -20,7 +14,7 @@
  	    <immediateFlush>true</immediateFlush>
         <append>false</append>
         <layout class="ch.qos.logback.classic.PatternLayout">
-          <pattern>%d [%thread] %level %mdc %logger{35} -%kvp -%msg%n</pattern>
+          <pattern>%d [%thread] %-5level %logger{35}: %msg%n</pattern>
         </layout>
       </appender>
     </sift>
@@ -30,7 +24,7 @@
     <!-- encoders are assigned the type
          ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
     <encoder>
-      <pattern>%-4relative [%thread] %-5level %logger{35} -%kvp- %msg %n</pattern>
+      <pattern>%-4relative [%thread] %-5level %logger{35}: %msg%n</pattern>
     </encoder>
   </appender>