java.io.FileNotFoundException当运行datomic确保交易者

Question

我正在尝试学习datomic，并发现datomic安装和供应过程具有非常高的学习曲线。

一个奇怪的问题，我有 - 我希望是由于一些愚蠢的错误 - 是当我试图运行datomic ensure-transactor我得到一个文件未找到错误的属性文件。

你必须承认文件存在。如果这是一个权限问题，我甚至已经打开了文件的所有权限。

我的属性文件看起来像这样（有许可证编辑等） - 我正在尝试配置一个本地 dynamodb实例的设置。

################################################################ 

protocol=ddb-local 
host=localhost 
port=4334 



################################################################ 
# See http://docs.datomic.com/storage.html 

license-key=[license here] 



################################################################ 
# See http://docs.datomic.com/storage.html 
# DynamoDB storage settings 

aws-dynamodb-table=datemo 

# See http://docs.amazonwebservices.com/general/latest/gr/rande.html#ddb_region 
# aws-dynamodb-region=us-east-1 

# To use DynamoDB Local, change the protocol (above) to ddb-local. 
# Comment out aws-dynamodb-region, and instead use aws-dynamodb-override-endpoint 
aws-dynamodb-override-endpoint=localhost:8080 



################################################################ 
# See http://docs.datomic.com/storage.html 
# This role has read and write access to storage and 
# is used by the transactor to read and write data. Optionally, 
# this role also has write access to an S3 bucket used for log 
# storage and to CloudWatch for metrics, if those features are 
# enabled. 
# (Can be auto-generated by bin/datomic ensure-transactor.) 

aws-transactor-role= 



################################################################ 
# See http://docs.datomic.com/storage.html 
# This role has read-only access to storage and 
# is used by peers to read data. 
# (Can be auto-generated by bin/datomic ensure-transactor.) 

aws-peer-role= 



################################################################ 
# See http://docs.datomic.com/capacity.html 


# Recommended settings for -Xmx4g production usage. 
# memory-index-threshold=32m 
# memory-index-max=512m 
# object-cache-max=1g 

# Recommended settings for -Xmx1g usage, e.g. dev laptops. 
memory-index-threshold=32m 
memory-index-max=256m 
object-cache-max=128m 



## OPTIONAL #################################################### 


# Set to false to disable SSL between the peers and the transactor. 
# Default: true 
# encrypt-channel=true 

# Data directory is used for dev: and free: storage, and 
# as a temporary directory for all storages. 
# data-dir=data 

# Transactor will log here, see bin/logback.xml to configure logging. 
# log-dir=log 

# Transactor will write process pid here on startup 
# pid-file=transactor.pid 



## OPTIONAL #################################################### 
# See http://docs.datomic.com/storage.html 
# Memcached configuration. 

# memcached=host:port,host:port,... 
# memcached-username=datomic 
# memcached-password=datomic 



## OPTIONAL #################################################### 
# See http://docs.datomic.com/capacity.html 


# Soft limit on the number of concurrent writes to storage. 
# Default: 4, Miniumum: 2 
# write-concurrency=4 

# Soft limit on the number of concurrent reads to storage. 
# Default: 2 times write-concurrency, Miniumum: 2 
# read-concurrency=8 



## OPTIONAL #################################################### 
# See http://docs.datomic.com/aws.html 
# Optional settings for rotating logs to S3 
# (Can be auto-generated by bin/datomic ensure-transactor.) 

# aws-s3-log-bucket-id= 



## OPTIONAL #################################################### 
# See http://docs.datomic.com/aws.html 
# Optional settings for Cloudwatch metrics. 
# (Can be auto-generated by bin/datomic ensure-transactor.) 

# aws-cloudwatch-region= 

# Pick a unique name to distinguish transactor metrics from different systems. 
# aws-cloudwatch-dimension-value=your-system-name 



## OPTIONAL #################################################### 
# See http://docs.datomic.com/ha.html 


# The transactor will write a heartbeat into storage on this interval. 
# A standby transactor will take over if it sees the heartbeat go 
# unwritten for 2x this interval. If your transactor load leads to 
# long gc pauses, you can increase this number to prevent the standby 
# transactor from unnecessarily taking over during a long gc pause. 
# Default: 5000, Miniumum: 5000 
# heartbeat-interval-msec=5000 



## OPTIONAL #################################################### 


# The transactor will use this partition for new entities that 
# do not explicitly specify a partition. 
# Default: :db.part/user 
# default-partition=:db.part/user 

如果有任何人在那里，可以设置我直，它会被大加赞赏：我已经使用BREW（brew install dynamodb-local）也安装dyanmodb本地。

Answer 1

答案在这里，原来是必须从datomic包的根目录运行ensure-transactor。对于大多数（但不是全部）的datomic脚本来说，这显然是正确的。它似乎特别涉及一次性脚本，例如ensure-transactor，您只会运行一次。