Problema al querer crear un servidor propio para app inventor

Hola, estoy intentando crear un servidor propio en Virtualbox con base en linux, pero a la hora de compilar con ANT, me tira error.
Adjunto imagen.

lucas@lucas-VirtualBox:~/appinventor-sources/appinventor$ ant
Buildfile: /home/lucas/appinventor-sources/appinventor/build.xml

all:

init:

MakeWarLibsDir:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib

common_CommonUtils:

init:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/build/common
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/build
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/build/classes
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/reports
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/reports/raw
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/reports/html

CommonUtils:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/build/classes/CommonUtils
[javac] Compiling 3 source files to /home/lucas/appinventor-sources/appinventor/common/build/classes/CommonUtils
[javac] Note: /home/lucas/appinventor-sources/appinventor/common/src/com/google/appinventor/common/utils/StringUtils.java uses or overrides a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/common/build/classes/CommonUtils/com/google/appinventor/common/utils/package-info.class
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/common/CommonUtils.jar
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/common/CommonUtils-gwt.jar

common_CommonVersion:

init:

CommonVersion:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/build/classes/CommonVersion
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/common/build/src/com/google/appinventor/common/version
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/common/build/src/com/google/appinventor/common/version
[javac] Compiling 3 source files to /home/lucas/appinventor-sources/appinventor/common/build/classes/CommonVersion
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/common/build/classes/CommonVersion/com/google/appinventor/common/version/package-info.class
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/common/CommonVersion.jar
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/common/CommonVersion-gwt.jar

components_CommonConstants:

init:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/build/components
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build/classes
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/reports
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/reports/raw
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/reports/html

CommonConstants:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build/classes/CommonConstants
[javac] Compiling 45 source files to /home/lucas/appinventor-sources/appinventor/components/build/classes/CommonConstants
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/CommonConstants/com/google/appinventor/components/common/package-info.class
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/components/CommonConstants.jar
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/components/CommonConstants-gwt.jar

WarLibs:
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib

AiSharedLib:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiSharedLib
[javac] Compiling 78 source files to /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiSharedLib
[javac] Note: Annotation processing is enabled because one or more processors were found
[javac] on the class path. A future release of javac may disable annotation processing
[javac] unless at least one processor is specified by name (-processor), or a search
[javac] path is specified (--processor-path, --processor-module-path), or annotation
[javac] processing is enabled explicitly (-proc:only, -proc:full).
[javac] Use -Xlint:-options to suppress this message.
[javac] Use -proc:none to disable annotation processing.
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/appengine/build/AiSharedLib.jar
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib

AiServerLib:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiServerLib
[copy] Copying 4 files to /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiServerLib/com/google/appinventor/server
[javac] Compiling 76 source files to /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiServerLib
[javac] Note: Annotation processing is enabled because one or more processors were found
[javac] on the class path. A future release of javac may disable annotation processing
[javac] unless at least one processor is specified by name (-processor), or a search
[javac] path is specified (--processor-path, --processor-module-path), or annotation
[javac] processing is enabled explicitly (-proc:only, -proc:full).
[javac] Use -Xlint:-options to suppress this message.
[javac] Use -proc:none to disable annotation processing.
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/appengine/build/AiServerLib.jar
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/lib

components_AndroidRuntime:

common_CommonVersion:

init:

CommonVersion:

init:

HtmlEntities:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build/classes/HtmlEntities
[javac] Compiling 1 source file to /home/lucas/appinventor-sources/appinventor/components/build/classes/HtmlEntities
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/components/build/HtmlEntities.jar

Barcode:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build/classes/Barcode
[javac] Compiling 40 source files to /home/lucas/appinventor-sources/appinventor/components/build/classes/Barcode
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/components/deps/Barcode.jar

CopyComponentLibraries:
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps/armeabi-v7a
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps/arm64-v8a
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps/x86_64
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 63 files to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 2 files to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/build/components/deps

common_CommonUtils:

init:

CommonUtils:

CommonConstants:

AnnotationProcessors:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build/classes/AnnotationProcessors
[javac] Compiling 45 source files to /home/lucas/appinventor-sources/appinventor/components/build/classes/AnnotationProcessors
[javac] Note: /home/lucas/appinventor-sources/appinventor/components/src/com/google/appinventor/components/scripts/ComponentProcessor.java uses or overrides a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AnnotationProcessors/com/google/appinventor/components/annotations/androidmanifest/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AnnotationProcessors/com/google/appinventor/components/annotations/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AnnotationProcessors/com/google/appinventor/components/scripts/package-info.class
[copy] Copying 22 files to /home/lucas/appinventor-sources/appinventor/components/build/classes/AnnotationProcessors
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/components/build/AnnotationProcessors.jar

AndroidRuntime.uptodate:

AndroidRuntime:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime
[javac] Compiling 376 source files to /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime
[javac] Note: Annotation processing is enabled because one or more processors were found
[javac] on the class path. A future release of javac may disable annotation processing
[javac] unless at least one processor is specified by name (-processor), or a search
[javac] path is specified (--processor-path, --processor-module-path), or annotation
[javac] processing is enabled explicitly (-proc:only, -proc:full).
[javac] Use -Xlint:-options to suppress this message.
[javac] Use -proc:none to disable annotation processing.
[javac] warning: Supported source version 'RELEASE_11' from annotation processor 'com.google.appinventor.components.scripts.ComponentDescriptorGenerator' less than -source '21'
[javac] Note: Wrote file file:///home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/simple_components.json
[javac] warning: Supported source version 'RELEASE_11' from annotation processor 'com.google.appinventor.components.scripts.ComponentListGenerator' less than -source '21'
[javac] Note: Wrote file file:///home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/simple_components.txt
[javac] Note: Wrote file file:///home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/simple_components_build_info.json
[javac] warning: Supported source version 'RELEASE_11' from annotation processor 'com.google.appinventor.components.scripts.ComponentTranslationGenerator' less than -source '21'
[javac] Note: Wrote file file:///home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/AutogeneratedOdeMessages.java
[javac] Note: Wrote file file:///home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/ComponentsTranslation.java
[javac] warning: Supported source version 'RELEASE_11' from annotation processor 'com.google.appinventor.components.scripts.MarkdownDocumentationGenerator' less than -source '21'
[javac] /home/lucas/appinventor-sources/appinventor/components/src/com/google/appinventor/components/runtime/util/MapFactory.java:1317: warning: [dep-ann] deprecated item is not annotated with @Deprecated
[javac] void ShowShadow(boolean show);
[javac] ^
[javac] /home/lucas/appinventor-sources/appinventor/components/src/com/google/appinventor/components/runtime/util/MapFactory.java:1325: warning: [dep-ann] deprecated item is not annotated with @Deprecated
[javac] boolean ShowShadow();
[javac] ^
[javac] /home/lucas/appinventor-sources/appinventor/components/src/com/google/appinventor/components/runtime/util/NanoHTTPD.java:667: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
[javac] matchbytes.addElement(new Integer(matchbyte));
[javac] ^
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] 7 warnings
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/com/google/appinventor/components/runtime/util/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/com/google/appinventor/components/annotations/androidmanifest/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/com/google/appinventor/components/runtime/collect/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/com/google/appinventor/components/annotations/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/com/google/appinventor/components/runtime/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/components/build/classes/AndroidRuntime/com/google/appinventor/components/runtime/errors/package-info.class
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/build/components/AndroidRuntime.jar
[copy] Copying 3 files to /home/lucas/appinventor-sources/appinventor/build/components
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/build/components/ComponentTranslation/src/com/google/appinventor/client
[copy] Copying 2 files to /home/lucas/appinventor-sources/appinventor/build/components/ComponentTranslation/src/com/google/appinventor/client
[copy] Copying 13 files to /home/lucas/appinventor-sources/appinventor/docs/markdown/reference/components

AiClientLib:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes
[javac] Compiling 526 source files to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use or override a deprecated API that is marked for removal.
[javac] Note: Recompile with -Xlint:removal for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/explorer/youngandroid/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/youngandroid/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/explorer/commands/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/boxes/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/explorer/project/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/explorer/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/youngandroid/palette/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/simple/palette/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/simple/components/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/simple/package-info.class
[javac] Creating empty /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor/client/editor/youngandroid/properties/package-info.class
[copy] Copying 1 file to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes/com/google/appinventor
[copy] Copying 338 files to /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes
[copy] Copied 18 empty directories to 9 empty directories under /home/lucas/appinventor-sources/appinventor/appengine/build/war/WEB-INF/classes

AiRebindLib:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiRebindLib
[javac] Compiling 1 source file to /home/lucas/appinventor-sources/appinventor/appengine/build/classes/AiRebindLib
[jar] Building jar: /home/lucas/appinventor-sources/appinventor/appengine/build/AiRebindLib.jar

blocklyeditor_BlocklyTranslationGenerator:

CheckBlocklyTranslations:

init:
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/build/blocklyeditor
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/blocklyeditor/build
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/blocklyeditor/build/classes
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/blocklyeditor/reports
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/blocklyeditor/reports/raw
[mkdir] Created dir: /home/lucas/appinventor-sources/appinventor/blocklyeditor/reports/html

CheckBlocklyCompile:

BlocklyCompile:
[java] Exception in thread "main" java.lang.ExceptionInInitializerError
[java] at org.plovr.cli.BuildCommand.runCommandWithOptions(BuildCommand.java:58)
[java] at org.plovr.cli.BuildCommand.runCommandWithOptions(BuildCommand.java:31)
[java] at org.plovr.cli.AbstractCommandRunner.runCommand(AbstractCommandRunner.java:41)
[java] at org.plovr.cli.Command.execute(Command.java:47)
[java] at org.plovr.cli.Main.mainWithExitCode(Main.java:56)
[java] at org.plovr.cli.Main.main(Main.java:30)
[java] Caused by: com.google.inject.internal.util.$ComputationException: java.lang.ExceptionInInitializerError
[java] at com.google.inject.internal.util.$MapMaker$StrategyImpl.compute(MapMaker.java:553)
[java] at com.google.inject.internal.util.$MapMaker$StrategyImpl.compute(MapMaker.java:419)
[java] at com.google.inject.internal.util.$CustomConcurrentHashMap$ComputingImpl.get(CustomConcurrentHashMap.java:2041)
[java] at com.google.inject.internal.FailableCache.get(FailableCache.java:50)
[java] at com.google.inject.internal.ConstructorInjectorStore.get(ConstructorInjectorStore.java:49)
[java] at com.google.inject.internal.ConstructorBindingImpl.initialize(ConstructorBindingImpl.java:125)
[java] at com.google.inject.internal.InjectorImpl.initializeBinding(InjectorImpl.java:507)
[java] at com.google.inject.internal.AbstractBindingProcessor$Processor$1.run(AbstractBindingProcessor.java:159)
[java] at com.google.inject.internal.ProcessedBindingData.initializeBindings(ProcessedBindingData.java:44)
[java] at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:122)
[java] at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:106)
[java] at com.google.inject.Guice.createInjector(Guice.java:95)
[java] at com.google.inject.Guice.createInjector(Guice.java:72)
[java] at com.google.inject.Guice.createInjector(Guice.java:62)
[java] at com.google.template.soy.GuiceInitializer.initializeIfNecessary(GuiceInitializer.java:55)
[java] at com.google.template.soy.SoyFileSet$Builder.(SoyFileSet.java:141)
[java] at com.google.template.soy.SoyFileSet$Builder.(SoyFileSet.java:125)
[java] at org.plovr.CompileRequestHandler.(CompileRequestHandler.java:33)
[java] ... 6 more
[java] Caused by: java.lang.ExceptionInInitializerError
[java] at com.google.inject.internal.cglib.reflect.$FastClassEmitter.(FastClassEmitter.java:67)
[java] at com.google.inject.internal.cglib.reflect.$FastClass$Generator.generateClass(FastClass.java:72)
[java] at com.google.inject.internal.cglib.core.$DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
[java] at com.google.inject.internal.cglib.core.$AbstractClassGenerator.create(AbstractClassGenerator.java:216)
[java] at com.google.inject.internal.cglib.reflect.$FastClass$Generator.create(FastClass.java:64)
[java] at com.google.inject.internal.BytecodeGen.newFastClass(BytecodeGen.java:207)
[java] at com.google.inject.internal.DefaultConstructionProxyFactory.create(DefaultConstructionProxyFactory.java:53)
[java] at com.google.inject.internal.ProxyFactory.create(ProxyFactory.java:153)
[java] at com.google.inject.internal.ConstructorInjectorStore.createConstructor(ConstructorInjectorStore.java:89)
[java] at com.google.inject.internal.ConstructorInjectorStore.access$000(ConstructorInjectorStore.java:28)
[java] at com.google.inject.internal.ConstructorInjectorStore$1.create(ConstructorInjectorStore.java:36)
[java] at com.google.inject.internal.ConstructorInjectorStore$1.create(ConstructorInjectorStore.java:32)
[java] at com.google.inject.internal.FailableCache$1.apply(FailableCache.java:39)
[java] at com.google.inject.internal.util.$MapMaker$StrategyImpl.compute(MapMaker.java:549)
[java] ... 23 more
[java] Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte,int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @5b8bc155
[java] at java.base/java.lang.reflect.AccessibleObject.throwInaccessibleObjectException(AccessibleObject.java:391)
[java] at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:367)
[java] at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:315)
[java] at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:203)
[java] at java.base/java.lang.reflect.Method.setAccessible(Method.java:197)
[java] at com.google.inject.internal.cglib.core.$ReflectUtils$2.run(ReflectUtils.java:56)
[java] at java.base/java.security.AccessController.doPrivileged(AccessController.java:319)
[java] at com.google.inject.internal.cglib.core.$ReflectUtils.(ReflectUtils.java:46)
[java] ... 37 more

BUILD FAILED
/home/lucas/appinventor-sources/appinventor/build.xml:16: The following error occurred while executing this line:
/home/lucas/appinventor-sources/appinventor/build-common.xml:307: The following error occurred while executing this line:
/home/lucas/appinventor-sources/appinventor/blocklyeditor/build.xml:120: Java returned: 1

Total time: 1 minute 1 second
lucas@lucas-VirtualBox:~/appinventor-sources/appinventor$

Que version de java usaste? a mi solo me funciono con la 11 pues la 8 me tiraba errores