diff --git a/pom.xml b/pom.xml
index bfe45e2..e4d2a73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>ru.redrise</groupId>
     <artifactId>libKonogonka</artifactId>
-    <version>0.1</version>
+    <version>0.2-SNAPSHOT</version>
 
         <url>https://git.redrise.ru/desu/${project.name}}/</url>
         <description>
@@ -57,6 +57,7 @@
 
         <dependencies>
             <!-- For AES XTS we use bouncycastle -->
+            <!-- SELECTED LOG4J versions works with Java 8: 1.60 or 1.63 -->
             <dependency>
                 <groupId>org.bouncycastle</groupId>
                 <artifactId>bcprov-jdk15on</artifactId>
@@ -71,6 +72,7 @@
             </dependency>
 
             <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
+            <!-- SELECTED LOG4J versions works with Java 8: 2.17.1 -->
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>
                 <artifactId>log4j-core</artifactId>
diff --git a/src/main/java/libKonogonka/aesctr/AesCtrDecryptClassic.java b/src/main/java/libKonogonka/aesctr/AesCtrDecryptClassic.java
index d8ebeca..9f3b34a 100644
--- a/src/main/java/libKonogonka/aesctr/AesCtrDecryptClassic.java
+++ b/src/main/java/libKonogonka/aesctr/AesCtrDecryptClassic.java
@@ -24,6 +24,7 @@ import javax.crypto.Cipher;
 import javax.crypto.spec.IvParameterSpec;
 import javax.crypto.spec.SecretKeySpec;
 import java.math.BigInteger;
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 
 public class AesCtrDecryptClassic extends AesCtrDecrypt {
@@ -52,7 +53,7 @@ public class AesCtrDecryptClassic extends AesCtrDecrypt {
         byte[] ctrCalculated = ctr.add(updateTo).toByteArray();
         if (ctrCalculated.length != 0x10) {
             ByteBuffer ctrByteBuffer = ByteBuffer.allocate(0x10);
-            ctrByteBuffer.position(0x10 - ctrCalculated.length);
+            ((Buffer) ctrByteBuffer).position(0x10 - ctrCalculated.length);
             ctrByteBuffer.put(ctrCalculated);
             return ctrByteBuffer.array();
         }
diff --git a/src/main/java/libKonogonka/fs/other/System2/ini1/Kip1Unpacker.java b/src/main/java/libKonogonka/fs/other/System2/ini1/Kip1Unpacker.java
index 566d757..0cf89c6 100644
--- a/src/main/java/libKonogonka/fs/other/System2/ini1/Kip1Unpacker.java
+++ b/src/main/java/libKonogonka/fs/other/System2/ini1/Kip1Unpacker.java
@@ -25,6 +25,7 @@ import libKonogonka.aesctr.InFileStreamClassicProducer;
 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.RandomAccessFile;
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.charset.StandardCharsets;
@@ -156,7 +157,7 @@ public class Kip1Unpacker {
         ByteBuffer resultingHeader = ByteBuffer.allocate(HEADER_SIZE).order(ByteOrder.LITTLE_ENDIAN);
         resultingHeader.put("KIP1".getBytes(StandardCharsets.US_ASCII))
                 .put(kip1Header.getName().getBytes(StandardCharsets.US_ASCII));
-        resultingHeader.position(0x10);
+        ((Buffer) resultingHeader).position(0x10);
         resultingHeader.put(kip1Header.getProgramId())
                 .putInt(kip1Header.getVersion())
                 .put(kip1Header.getMainThreadPriority())
diff --git a/src/main/resources/log4j2.properties b/src/main/resources/log4j2.properties
index ade6525..d631910 100644
--- a/src/main/resources/log4j2.properties
+++ b/src/main/resources/log4j2.properties
@@ -15,7 +15,7 @@ status = error
 name = DebugConfigDevelopmentOnlyVerbose
 
 # Configure root logger level
-rootLogger.level = INFO
+rootLogger.level = DEBUG
 # Root logger referring to console appender
 rootLogger.appenderRef.stdout.ref = consoleLogger