KNOX-2879 - pty4j depends on log4j1 (#730)

diff --git a/pom.xml b/pom.xml
index 455e309..a36289c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2200,6 +2200,12 @@
                 <groupId>org.jetbrains.pty4j</groupId>
                 <artifactId>pty4j</artifactId>
                 <version>${pty4j.version}</version>
+                <exclusions>
+                    <exclusion>
+                        <groupId>log4j</groupId>
+                        <artifactId>log4j</artifactId>
+                    </exclusion>
+                </exclusions>
             </dependency>
             <dependency>
                 <groupId>org.jetbrains.pty4j</groupId>