Deployment upload OOM Error

Uploading a 4.5kb sample.war file results in

[Host Controller] 17:59:34,014 ERROR [org.jboss.as.domain.http.api] (pool-1-thread-20) Unexpected error executing deployment upload request: java.lang.OutOfMemoryError: Java heap space
[Host Controller] at java.util.Arrays.copyOf(Arrays.java:2786) [:1.6.0_24]
[Host Controller] at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:71) [:1.6.0_24]
[Host Controller] at org.jboss.as.domain.http.server.DomainHttpServer.readHeader(DomainHttpServer.java:306)
[Host Controller] at org.jboss.as.domain.http.server.DomainHttpServer.extractPostContent(DomainHttpServer.java:250)
[Host Controller] at org.jboss.as.domain.http.server.DomainHttpServer.processUploadRequest(DomainHttpServer.java:120)
[Host Controller] at org.jboss.as.domain.http.server.DomainHttpServer.handle(DomainHttpServer.java:102)